eBillingHub e-Billing Standard Format (eSF) - v2.0.2
Segment / Field Name	Segment, Element or Attribute	Data Type	Description	Comments
esfdoc		-	Top-level e-Billing Standard Format document wrapper.
timestamp	Element [0,1]	xs:dateTime	The billing firm's federal tax id. For non-US firms - a code that the firm will use to uniquely identify itself to it's clients.
billing_org	Segment [1]	billingOrgType	The billing_org node contains elements and attributes describing traits and configuration of the law firm with eBH.
payor_orgs/payor_org	Segment [1] Segment [1,*]	payorOrgType	The payor_org node denotes a collection of 1 or more payor segements
taxes/tax	Segment [0,1] Segment [0,*]	taxType	The tax segements at the esf_doc level are for taxes details refered-to in all subsequent subsections. The tax elements in the subsections refer to the tax nodes at the esf_doc level.
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
billing_org		billingOrgType	Detail the name, address, contact information about the firm which has generated the file.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	xs:string	Billing organization self-assigned identifier.
ebilling_id	Attribute [1]	xs:string	Unique value to identify the billing_org within their e-billing application.
name	Element [1]	xs:string	Name associated with the billing organization.
source_app	Element [0,1]	xs:string	The name of the program used to generate this invoice, e.g. "3E".
app_version	Element [0,1]	xs:string	The version of the source_app, e.g. "2.8.1".
tax_id	Element [1]	xs:string	A value that uniquely identifies the billing organization Depending on the location of the billing organization this value could be the billing organization tax id number, VAT registration number, DUNS number, business registration number, or any other number or used by the billing organization to uniquely identify itself, preferably to its local taxing or governmental authority.
firm_url	Element [0,1]	xs:string	The version of the source_app, e.g. "9.3b".
address	Segment [1]	addressType	The address segment associated with the billing_org
remit_address	Segment [0,1]	addressType	The remit address segment associated with the billing_org
contact	Segment [0,1]	contactType	The contact segment details associated with the billing_org
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
payor_org		payorOrgType	Detail the name, address, contact information about a client and point of contact within a client that invoices are being sent to.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	string60NoSpace	Billing organization assigned payor organization identifier.
ebilling_id	Attribute [0,1]	xs:string	Unique value to identify payor organization (within EBH Application)
biller_id	Element [0,1]	xs:string	An identifier, specified by the payor organization, to uniquely identify the billing organization.
name	Element [1]	xs:string	Name associated with the payor organization.
tax_id	Element [0,1]	xs:string	A value that uniquely identifies the payor organization Depending on the location of the payor organization this value could be the payor organization tax id number, VAT registration number, DUNS number, business registration number, or any other number or used by the payor organization to uniquely identify itself, preferably to its local taxing or governmental authority.
invoice	Segment [1]	invoiceType	The invoice segment associated with the payor_org.
address	Segment [0,1]	addressType	The address segment associated with the payor_org
contact	Segment [0,1]	contactType
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
invoice		invoiceType	Detail segment identifying the invoice 'header' information regarding detail charges which follow.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	stringNoSpace	The billing organization assigned invoice number or code.
has_attachments	Attribute [0,1]	xs:boolean	A flag that determines whether an invoice has attached files.
requested_status	Attribute [0,1]	Values: [ 'hold', '' ]	Use this attribute with a value of "Hold". This will stage the invoice in eBillingHub and have it show in the tracking page, for end-users to interact with. They can validate, make required edits and submit the invoice onwards.
leadmatter	Attribute [0,1]	xs:string	This is the lead matter in a billing group. If this invoice is not part of a group then this is just the matter on the invoice.
date	Element [1]	xs:string	The invoice date.
due_date	Element [0,1]	xs:string	The billing organization assigned date by which the invoices is due to be paid by the payor organization.
currency	Element [0,1]	xs:string	The currency for this invoice. Use ISO 4217 currency codes.
start_date	Element [1]	xs:string	The start date for the billing period.
end_date	Element [1]	xs:string	The end date for the billing period.
description	Element [0,1]	xs:string	A description of the work performed for display to bill reviewers.
tax_point_date	Element [0,1]	xs:string	The financial period in which the tax applies (typically the same as the invoice date).
tax_invoice	Element [0,1]	xs:string	Indication whether or not this is a separate Tax Invoice.
credit_note	Element [0,1]	xs:string	Indication whether this is a Credit Note correcting a Tax Invoice.
credit_note_invoice_reference	Element [0,1]	xs:string	Invoice being referenced by a Credit Note.
payment_terms	Element [0,1]	xs:string	Indication of a conditional invoice reduction based on payment turnaround by the client.
vat_party	Element [0,1]	xs:string	Name of party paying VAT on the invoice.
other_iso	Element [0,1]	xs:string	Currency in which tax is presented for mixed currency billing.
regulatory_statement	Segment [0,1]	regulatoryStatementType	the regulatory detail associated with this invoice segment
address	Segment [0,1]	addressType	the address associated with this invoice segment
matters/matter	Segment [1] Segment [1,*]	matterType	a collection of one or more matter segments for this invoice segment.
adjustments/adjustment	Segment [0,1] Segment [0,*]	invoiceAdjustmentType	The adjustment segment of this matter segment. There can be zero or more adjustments.
item_taxes/item_tax	Segment [0,1] Segment [0,*]	itemTaxType	The tax segment(s) of this invoice. These segments refer to the tax elements in the esf_doc segment
tax_summaries/tax_summary	Segment [0,1] Segment [0,*]	taxSummaryType	The tax_summary segment for this invoice
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
regulatory_statement		regulatoryStatementType	In that this information is required by statute or regulation to be provided, all information provided in this segment should be captured by the receiving system and displayed during bill review.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema.
regulation_heading	Element [0,1]	xs:string
regulatory_statement	Element [0,1]	xs:string
matter		matterType	Detail segment identifying the matter/case information and associating it with the client and firm matter ids found in the charge detail segments.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the biller_org_matter_id is not unique.
payor_org_matter_id	Element [1]	xs:string	The payor organization assigned matter id or case reference number.
biller_org_matter_id	Element [1]	xs:string	The billing organization assigned matter id or case reference number.
name	Element [1]	xs:string	The descriptive name of the matter.
description	Element [0,1]	xs:string	Description of work performed this period.
po_number	Element [0,1]	xs:string	The alphanumeric, client-assigned purchase order number or code.
account_type	Element [0,1]	xs:string Values: [ 'O', 'T' ]	An identifier indicating whether an invoice is "own account" ("O"), or "third party" ("T")
matter_type	Element [0,1]	xs:string Values: [ 'CT', 'FF', 'GW', 'MPF', 'TM' ]	Code indicating how the matter is billed. Valid values and their descriptions are: CT - Contingency Fee - When the law firm's fee is based on a percentage of the amount recovered by the law firm client in a plaintiff's action. FF - Flat Fee - When the firm is paid a flat fee on the matter only. GW - Goodwill Work - Where the firm has performed services for free for the client on a matter and provides information on the work performed in a separate $0 invoice to the client. MPF - Multi-Payor Fees - When the cost of services provided on a matter is split by multiple clients of the firm regardless of any other matter_billing_type that may apply. TM - Time & Materials - When the bill is based on hours worked, or where there may be a combination of hourly billing plus a flat fee by task arrangement. A null value defaults to "TM"
matter_open_date	Element [1]	xs:string	This will come from 3E. It is a required field.
final_bill	Element [0,1]	xs:string	Indicator whether or not this is the final bill for this matter id.
currency	Element [0,1]	xs:string	Currency in which this matter is being billed.
total_fees	Element [0,1]	xs:decimal	Sum of fees on this matter. sum(fee.total_amount)
total_expenses	Element [0,1]	xs:decimal	Sum of expenses on this matter. sum(exp.total_amount)
total_fee_adjustment	Element [0,1]	xs:decimal	Sum of fee-related adjustments on this matter. sum(matter.adjustments type fee)
total_expense_adjustment	Element [0,1]	xs:decimal	Sum of expense-related adjustments on this matter. sum(matter.adjustments type exp)
percent_fees	Element [0,1]	xs:string	Percent of total billings on this invoice that are fees.
percent_expenses	Element [0,1]	xs:string	Percent of total billings on this invoice that are expenses.
fee_taxes	Element [0,1]	xs:decimal	Sum of taxes on fees on this matter.
expense_taxes	Element [0,1]	xs:decimal	Sum of taxes on expenses on this matter.
net_fees	Element [0,1]	xs:decimal	Net fees, accounting for pre- and post-split taxes.
net_expenses	Element [0,1]	xs:decimal	Net expenses, accounting for pre- and post-split taxes.
funds_applied	Element [0,1]	xs:decimal	Available funds that have already been applied to this matter.
total_due	Element [0,1]	xs:decimal	Total due to the payor organization for this matter on this invoice.
contact	Segment [0,1]	contactType	to be depricated
contacts/contact	Segment [0,1] Segment [0,*]	typedContactType	The contacts segment for the matter	added support of multiple contact segments (contacts parent)
fees/fee	Segment [0,1] Segment [0,*]	feeType	The fee segment for this matter. There can be zero or more fees.
expenses/expense	Segment [0,1] Segment [0,*]	expenseType	The expense segment for this matter. There can be zero or more expenses
timekeepers/timekeeper	Segment [0,1] Segment [0,*]	timekeeperType	The timekeeper segment for this matter. There can be zero or more timekeeper nodes
adjustments/adjustment	Segment [0,1] Segment [0,*]	matterAdjustmentType	The adjustment segment for this matter. There can be zero or more adjustment nodes
tax_summaries/tax_summary	Segment [0,1] Segment [0,*]	taxSummaryType	The tax_summary segment for this matter.
extended_fields	Segment	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
fee		feeType	Detail segment identifying individual 'fee' charges.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	xs:string	a unique ID for this fee element.
charge_date	Element [0,1]	xs:string	Date the service was performed.
timekeeper_id	Element [0,1]	xs:string	Unique id for the person performing the service billed by this line item.
timekeeper_level	Element [0,1]	xs:string	The level of the timekeeper.	added timekeeper level since same timekeeperId may have several rates and levels.
work_location_country	Element [0,1]	xs:string	Country where the work was performed (for tax purposes).
work_location_locality	Element [0,1]	xs:string	Location where the work was performed (for tax purposes).
charge_description	Element [0,1]	xs:string	Narrative description of the service provided for this line item.
task_code	Element [0,1]	xs:string	Task code for this line item.
activity_code	Element [0,1]	xs:string	Activity code for this line item.
charge_type	Element [0,1]	xs:string Values: [ 'U', 'F' ]	"U" for unit-based pricing, "F" for fixed.
units	Element [0,1]	xs:decimal	Actual number of hours billed to this line item, in tenths.
rate	Element [0,1]	xs:decimal	The rate being charged for the person performing the service billed by this line item.
base_amount	Element [0,1]	xs:decimal	Original value of the work before adjustments.
units_work	Element [0,1]	xs:decimal	Use this field if the work values are different from the billed values. eBillingHub has a configuration where the difference can be shown as an inline adjustment.
rate_work	Element [0,1]	xs:decimal	Use this field if the work values are different from the billed values. eBillingHub has a configuration where the difference can be shown as an inline adjustment.
base_amount_work	Element [0,1]	xs:decimal	Use this field if the work values are different from the billed values. eBillingHub has a configuration where the difference can be shown as an inline adjustment.
item_tax_total	Element [0,1]	xs:decimal	Total tax on this line item.
item_adjustment_total	Element [0,1]	xs:decimal	Sum of adjustments on this line item.
total_amount	Element [0,1]	xs:decimal	Final billed value of the line item after application of all adjustments. (Taxes not included.)
adjustments/adjustment	Segment [0,1] Segment [0,*]	feeAdjustmentType	The adjustment segment for this fee. There can be zero or more adjustment nodes
item_taxes/item_tax	Segment [0,1] Segment [0,*]	itemTaxType	The tax segment(s) of this fee. These segments refer to the tax elements in the esf_doc segment
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
expense		expenseType	Detail segment identifying individual 'expense' charges.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	xs:string	a unique ID for this expense element.
charge_date	Element [0,1]	xs:string	Date the service was performed.
timekeeper_id	Element [0,1]	xs:string	Unique id for the person performing the service billed by this line item.
timekeeper_level	Element [0,1]	xs:string	The level of the timekeeper.	added timekeeper level since same timekeeperId may have several rates and levels.
work_location_country	Element [0,1]	xs:string	Country where the work was performed (for tax purposes).
work_location_locality	Element [0,1]	xs:string	Location where the work was performed (for tax purposes).
charge_description	Element [0,1]	xs:string	Narrative description of the service provided for this line item.
task_code	Element [0,1]	xs:string	Task code for this line item. (task code in expense?)
expense_code	Element [0,1]	xs:string	Expense code for this line item.
charge_type	Element [0,1]	xs:string Values: [ 'U', 'F' ]	"U" for unit-based pricing, "F" for fixed.
units	Element [0,1]	xs:decimal	Actual number of hours billed to this line item, in tenths.
rate	Element [0,1]	xs:decimal	The rate being charged for the person performing the service billed by this line item
base_amount	Element [0,1]	xs:decimal	Original value of the work before adjustments.
item_tax_total	Element [0,1]	xs:decimal	Total tax on this line item.
item_adjustment_total	Element [0,1]	xs:decimal	Sum of adjustments on this line item.
total_amount	Element [0,1]	xs:decimal	Final billed value of the line item after application of all adjustments. (Taxes not included.)
adjustments/adjustment	Segment [0,1] Segment [0,*]	expenseAdjustmentsType	The adjustment segment for this expnse. There can be zero or more adjustment nodes
item_taxes/item_tax	Segment [0,1] Segment [0,*]	itemTaxesType	The tax segment(s) of this expense. These segments refer to the tax elements in the esf_doc segment
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
timekeeper		timekeeperType	Detail segment identifying timekepers related to charges against a matter.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	xs:string	Unique id of a person billing on this matter. The same id may appear multiple times if the timekeeper's name, level, or rate changes during the billing period.
first_name	Element [1]	xs:string	The first name of the timekeeper.
last_name	Element [1]	xs:string	The last name of the timekeeper.
tkinitials	Element [0,1]	xs:string	Use this value to populate the working timekeepers billing initials. eBillingHub has a configuration where it can show this on the LEDES output instead of the timekeeper number.
level	Element [1]	xs:string	The level of the timekeeper.
rate	Element [1]	xs:decimal	The hourly rate of the timekeeper.
extended_fields	Segment [0,1]	extendedFieldsType	Used for client and/or firm specific extensions. These are essentially (name,value) pairs of data where the name is an element and the value the data withon the element. There can be multiple extended field elements.
adjustment		feeAdjustmentType expenseAdjustmentType matterAdjustmentType invoiceAdjustmentType	All discounts, credits and Alternate Fee Agreement items applied at the matter/invoice/fee/expense level.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema.
adjustment_type	Element [0,1]	For feeAdustmentType xs:string Values: [ 'FIA', 'FID', 'FIFF', 'FIDHR', 'Other' ] For expenseAdjustmentType xs:string Values: [ 'EIA', 'EID', 'EIDHR', 'EIFF', 'Other' ] For matterAdjustmentType xs:string Values: [ 'MIA', 'MIB', 'MICF', 'MICM', 'MIDB', 'MIDHR', 'MIFA', 'MIFF', 'MIR', 'MISF', 'Other' ] For invoiceAdjustmentType xs:string Values: fee+exp+matter adjustemnt type values	The type of adjustment being applied to the line item or matter. FIA - Fee item Adjustment - A flat adjustment (reduction or credit) applied to the fee item FID - Fee Item Discount - Client receives a percentage discount that is assessed at the fee item level FIFF - Fee Item is billed at a Flat Fee FIDHR - Fee Item Discounted Hourly Rate - the discounted hourly rate applied to the fee item EIA - Expense Item Adjustment - A flat adjustment (reduction or credit) applied to the fee item EID - Expense Item Discount - client receives a percentage discount that is assessed at the expense item level EIDHR - Expense Item Discounted Hourly Rate - the discounted hourly rate or unit rate applied to the expense item EIFF - Expense Item is billed at a Flat Fee MIA - Matter/Invoice Adjustment - A flat adjustment (reduction or credit) applied at the matter/invoice level. MIB - Matter/Invoice Bonus - A bonus to be paid to the law firm on the matter/invoice. MICF - Matter/Invoice Contingency Fee - The contingency fee to be paid to the law firm on the matter/invoice.  A contingency fee in this instance is when the law firm is paid based on a percentage of the amount awarded to the client, usually in representing a plaintiff. MICM - Matter/Invoice Credit Memo - A credit memo, as requested by the client on the matter/invoice.  (In this case, it is the client who is processing the credit memo, not the law firm.  The credit memo represents a miscellaneous credit to the firm.) Note that a credit memo, as used here, is not the same thing as a Credit Note as used in @INVOICE.credit_note. MIDB - Matter/Invoice Discounted Bill - Client receives a percentage discount assessed at the matter/invoice level.  Should have a maximum of one for fee items and one for expense items. MIDHR  - Matter/Invoice Discounted Hourly Rate - A discounted hourly rate applied at the matter/invoice level. MIFA - Matter/Invoice Funds Applied - Indicates the application of clients' funds or trust money to the total due on a matter/invoice. MIFF - Matter/Invoice is billed at a Flat Fee. MIR - Matter/Invoice Retainer - Used to bill a client for a retainer (an advance payment) to be paid to the law firm on the matter/invoice.  This could occur multiple times over the life of a matter. MISF - Matter/Invoice Shared Fee - Fee is shared with another client and the client only pays a percentage of the bill, applied at the matter/invoice level.  Should have a maximum of one for fee items and one for expense items. Other - Used to represent another type of AFA used by the client.
credit_note	Element [0,1]	xs:string	Required if adjustment_type is "Other" to specify arrangement.
adjustment_description	Element [0,1]	xs:string	Description/narrative of the adjustment
credit_type	Element [0,1]	xs:string Values: [ 'Percent', 'Flat' ]	Type of credit being applied. Typically "Percent" or "Flat". Note: only one of the fields should be populated: credit_type or discount_type	Note added
discount_type	Element [0,1]	xs:string Values: [ 'Percent', 'Flat' ]	Type of discount being applied. Typically "Percent" or "Flat". Note: only one of the fields should be populated: credit_type or discount_type	Note added
credit_category	Element [0,1]	xs:string Values: [ 'Fees', 'Expenses', 'Matter' ]	Indicator whether the credit applies to fees, expenses, or the matter as a whole. Note: only one of the fields should be populated: credit_category or discount_category	Note added
discount_category	Element [0,1]	xs:string Values: [ 'Fees', 'Expenses', 'Matter' ]	Indicator whether the discount applies to fees, expenses, or the matter as a whole. Note: only one of the fields should be populated: credit_category or discount_category	Note added
invoice_impact	Element [0,1]	xs:string Values: [ 'Increase', 'Decrease' ]	Indicator whether the adjustment causes the invoice to increase or decrease.
split_impact	Element [0,1]	xs:string	Identifies whether the adjustment is applied before or after a split.
adjustment_amount	Element [0,1]	xs:decimal	Amount of the adjustment. Specified in decimal for "Percent" (0.10 for 10%") or dollar amount for "Flat" (-150.0000 or 150.0000, depending on direction).
item_tax_total	Element [0,1]	xs:decimal	Total tax on this line item. Note: valid for matterAdjustmentType	new field added, for now optional for backward compatability
item_taxes/item_tax	Segment [0,1] Segment [0,*]	itemTaxType	The tax segment(s) of this of this adjustment (Taxes specifc to the adjustment). These segments refer to the tax elements in the esf_doc segment.
tax		taxType	A lookup segment for the taxes charged in the file or matter.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the id is not unique.
id	Attribute [1]	xs:string	A unique identifier associated with the tax/rate/jurisdiction, assigned by the law firm.
tax_id_number	Element [0,1]	xs:string	Tax ID Number for law firm or vendor associated with specific tax.
name	Element [0,1]	xs:string	The name of the tax entity.
description	Element [0,1]	xs:string	Description of the tax entity.
type	Element [0,1]	xs:string	Type of tax, based on a value specified by the payor organization.
percent_rate	Element [0,1]	xs:decimal	Percentage tax rate, specified in decimal (i.e. 7.25% tax_rate_percent would be represented as "0.0725").
jurisdiction_country	Element [0,1]	xs:string	The country of the taxing jurisdiction. Use ISO 3166 country code.
jurisdiction_locality	Element [0,1]	xs:string	The location of the taxing jursidiction (State, County, City, Municipality, etc.)
tax_on_tax	Element [0,1]	xs:string	Indication that this is a "tax-on-tax" situation, where a second tax will be applied to the combination of the billable amount and a previous tax.
tax_on_tax_id	Element [0,1]	xs:string	The tax that is being included in the calculation for a "tax-on-tax" situation.
invoice_impact	Element [0,1]	xs:string Values: [ 'Increase', 'Decrease' ]	Indicator whether the tax causes the invoice to increase or decrease.
tax_summary		taxSummaryType	The summary of taxes relevant to the parent matters.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the tax_id is not unique.
tax_id	Attribute [1]	xs:string	The unique identifier associated with a tax/rate/jurisdiction.
tax_id_number	Attribute [0,1]	xs:string	Mapped tax id for Vendor side and also used for complex tax grouping on Ebh side (optional: if mapping exists on time&billing side and or time&billing system supports complex taxes like 'tax-on-tax').
taxable_fees	Element [0,1]	xs:decimal	Total taxable amount of fees related to this tax identifier.
total_fee_taxes	Element [0,1]	xs:decimal	Total of tax due on the fees related to this tax identifier.
taxable_expenses	Element [0,1]	xs:decimal	Total taxable amount of expenses related to this tax identifier.
total_expense_taxes	Element [0,1]	xs:decimal	Total of tax due on the expenses related to this tax identifier.
item_tax		itemTaxType	The specific taxes relevant to the parent matters.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema. Only required when the tax_id is not unique.
tax_id	Attribute [1]	xs:string	The id for the tax segment associated with the tax on this item.
tax_id_number	Attribute [0,1]	xs:string	Mapped tax id for Vendor side and also used for complex tax grouping on Ebh side (optional: if mapping exists on time&billing side and or time&billing system supports complex taxes like 'tax-on-tax').
address remit_address		addressType	Physical address for the parent organization issuing or receiving the bill. Physical remit address for the parent organization issuing or receiving the bill.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema.
address_1	Element [1]	xs:string	The physical street address of parent.
address_2	Element [0,1]	xs:string	Optional second street address of parent.
address_3	Element [0,1]	xs:string	Optional third street address of parent.
city	Element [0,1]	xs:string	The city of parent.
state_province	Element [0,1]	xs:string	The state or province of parent. Required except in countries without an equivalent address component. Use accepted abbreviations mandated by the parent country's postal service.
zip_postal_code	Element [0,1]	xs:string	The postal code of parent. Required except in countries without an equivalent address component.
country	Element [0,1]	xs:string	The country of parent. Use ISO 3166 country code.
phone	Element [0,1]	xs:string	The phone number parent.
fax	Element [0,1]	xs:string	The fax number of parent.
contact		contactType typedContactType	Detail for an individual contact at the parent organization.
node_id	Attribute [0,1]	xs:string	A unique id associated with this node, to allow for easy reference back to the element in the schema.
id	Attribute [1]	xs:string	Unique id for the contact.
type	Element [1]	contactTypeEnum Values: [ 'lfManaging' , 'lf' , 'cl' ]	Required for multiple segments at matter level. Note: valid for typedContactType	Added contact type to handle multiple contacts use case under matter segment
first_name	Element [0,1]	xs:string	The last name of the contact.
last_name	Element [0,1]	xs:string	The first name of the contact.
phone	Element [0,1]	xs:string	The phone number of the contact.
fax	Element [0,1]	xs:string	The fax number of the contact.
email	Element [0,1]	xs:string	The email address of the contact.
extended_fields		extendedFieldsType	For the inclusion of additional information that may be required to complete the billing process.
node_id	Attribute [1]	xs:string	Name of the variable.	format: <{key}>{value}</{key}>
Element with any name	Element [0,*]	xs:string	Data to be used in the variable.
	"Segment, Element, Attribute" legend:
	Element [0,1]	It means that this item is optional (It occurs from 0 to 1 time.)
	Element [0,*]	It means that this item is optional (It occurs from 0 to infinity times.)
	Element [1]	It means that this item is required (It occurs 1 time.)

Element hierarchy

esfdoc
|------>	billing_org
|	|------>	address
|	|------>	remit_address
|	|------>	contact
|	|------>	extended_fields
|------>	payor_orgs/payor_org
|	|------>	invoice
|	|	|------>	regulatory_statement
|	|	|------>	address
|	|	|------>	matters/matter
|	|	|	|------>	contact
|	|	|	|------>	contacts/contact
|	|	|	|------>	fees/fee
|	|	|	|	|------>	adjustments/adjustment
|	|	|	|	|	|------>	item_taxes/item_tax
|	|	|	|	|------>	item_taxes/item_tax
|	|	|	|	|------>	extended_fields
|	|	|	|------>	expenses/expense
|	|	|	|	|------>	adjustments/adjustment
|	|	|	|	|	|------>	item_taxes/item_tax
|	|	|	|	|------>	item_taxes/item_tax
|	|	|	|	|------>	extended_fields
|	|	|	|------>	timekeepers/timekeeper
|	|	|	|	|------>	extended_fields
|	|	|	|------>	adjustments/adjustment
|	|	|	|	|------>	item_taxes/item_tax
|	|	|	|------>	tax_summaries/tax_summary
|	|	|	|------>	extended_fields
|	|	|------>	adjustments/adjustment
|	|	|	|------>	item_taxes/item_tax
|	|	|	|------>	item_tax_total
|	|	|------>	item_taxes/item_tax
|	|	|------>	tax_summaries/tax_summary
|	|	|------>	extended_fields
|	|------>	address
|	|------>	contact
|	|------>	extended_fields
|------>	taxes/tax
|------>	extended_fields