Currency

The currency of an invoice. SAT reference: c_Moneda.
SAT provides the currency as a three-letter code according to the ISO 4217 specification, for example:

Code	Description
EUR	Euro
MXN	Mexican peso
USD	US dollar

Payment method

The payment method used for an invoice. SAT reference: c_MetodoPago

Code	Description
PUE	One payment
PPD	Partial payments

Payment type

The payment type used for this invoice. SAT referece: c_FormaPago.

Code	Description
01	Cash
02	Payroll check
03	Electronic transfer
04	Credit card
05	Electronic wallet
06	Digital money
08	Meal vouchers
12	Settlement
13	Payment by subrogation
14	Payment by consignment
15	Condonation
17	Compensation
23	Novation
24	Confusion
25	Debt remittance
26	Prescription or expiration
27	To creditor satisfaction
28	Debit card
29	Service card
30	Application of advances
31	Intermediary payments
99	To define

Payroll type

The payroll type. SAT referece: c_TipoNomina.

Code	Description
O	Ordinary payslip (Nómina ordinaria)
E	Extraordinary payslip (Nómina extraordinaria)

Regimens

The regimen type.

Regimen type	Version	Personal	Business
General law moral persons (General de Ley Personas Morales)	3.3 and 4.0	No	Yes
Legal Entities with Non-Profit Purposes (Personas Morales con Fines no Lucrativos)	3.3 and 4.0	No	Yes
Wages and Salaries and Income Assimilated to Salaries (Sueldos y Salarios e Ingresos Asimilados a Salarios)	3.3 and 4.0	Yes	No
Leasing (Arrendamiento)	3.3 and 4.0	Yes	No
Real Estate Acquisitions and Disposals Regime (Régimen de Enajenación o Adquisición de Bienes)	3.3 and 4.0	Yes	No
Other incomes (Demás ingresos)	3.3 and 4.0	Yes	No
Consolidation (Consolidación)	3.3	No	Yes
Residents Abroad without Permanent Establishment in Mexico (Residentes en el Extranjero sin Establecimiento Permanente en México)	3.3 and 4.0	Yes	Yes
Dividend Income (partners and shareholders) (Ingresos por Dividendos (socios y accionistas))	3.3 and 4.0	Yes	No
Individuals with Business and Professional Activities (Personas Físicas con Actividades Empresariales y Profesionales)	3.3 and 4.0	Yes	No
Interest income (Ingresos por intereses)	3.3 and 4.0	Yes	No
Income derived from bonus regimes (Régimen de los ingresos por obtención de premios)	3.3 and 4.0	Yes	No
No tax obligations (Sin obligaciones fiscales)	3.3 and 4.0	Yes	No
Production Cooperative Societies that choose to defer their income (Sociedades Cooperativas de Producción que optan por diferir sus ingresos)	3.3 and 4.0	No	Yes
Tax Incorporation Regime (Incorporación Fiscal)	3.3 and 4.0	Yes	No
Agricultural, Livestock, Forestry and Fishing Activities (Actividades Agrícolas, Ganaderas, Silvícolas y Pesqueras)	3.3 and 4.0	No	Yes
Optional for Corporate Groups (Opcional para Grupos de Sociedades)	3.3 and 4.0	No	Yes
Coordinates (Coordinados)	3.3 and 4.0	No	Yes
Regime of Business Activities with income through Technological Platforms (Régimen de las Actividades Empresariales con ingresos a través de Plataformas Tecnológicas)	3.3 and 4.0	Yes	Yes
Simplified Trust Regime (Régimen Simplificado de Confianza)	3.3 and 4.0	Yes	Yes
Hydrocarbons (Hidrocarburos)	3.3	No	Yes
On Preferential Tax Regimes and Multinational Companies (De los Regímenes Fiscales Preferentes y de las Empresas Multinacionales)	3.3	Yes	No
Disposal of shares on the stock market (Enajenación de acciones en bolsa de valores)	3.3	Yes	No

Provided service or product

Describes the product or service provided. SAT reference: c_ClaveProdServ
Please see the SAT website for an up-to-date list.

Retention code

The retention code detailed in the tax retention invoice.

Code	Description
01	Professional services (Servicios profesionales)
02	Copyright royalties (Regalías por derechos de autor)
03	Freight transport (Autotransporte terrestre de carga)
04	Services provided by commission agents (Servicios prestados por comisionistas)
05	Leasing (Arrendamiento)
06	Disposal of shares (Enajenación de acciones)
07	Disposal of assets subject to the LIEPS, through intermediaries, agents, representatives, brokers, consignees, or distributors (Enajenación de bienes objeto de la LIEPS, a través de mediadores, agentes, representantes, corredores, consignatarios o distribuidores)
08	Disposal of real estate consigned in a notarized deed (Enajenación de bienes inmuebles consignada en escritura pública)
09	Disposal of other assets not consigned in a notarized deed (Enajenación de otros bienes, no consignada en escritura pública)
10	Acquisition of industrial waste (Adquisición de desperdicios industriales)
11	Acquisition of assets consigned in a notarized deed (Adquisición de bienes consignada en escritura pública)
12	Acquisition of other assets not consigned in notarized deed (Adquisición de otros bienes, no consignada en escritura pública)
13	Other withdrawals from AFORE accounts (Otros retiros de AFORE)
14	Distributed dividends or earnings (Dividendos o utilidades distribuidas)
15	Distributable carryover (Remanente distribuible)
16	Interests (Intereses)
17	Escrow Lease (Arrendamiento en fideicomiso)
18	Payments made to residents in a foreign country (Pagos realizados a favor de residentes en el extranjero)
19	Disposal of shares or stock exchange transactions (Enajenación de acciones u operaciones en bolsa de valores)
20	Winnings (Obtención de premios)
21	Trusts not engaged in business activities (Fideicomisos que no realizan actividades empresariales)
22	Personal retirement plans (Planes personales de retiro)
23	Deductible real interest on mortgage loans (Intereses reales deducibles por créditos hipotecarios)
24	Financial transactions derived from equity (Operaciones financieras derivadas de capital)
25	Other retention types (Otro tipo de retenciones)
26	Technology services (Servicios tecnológicos)

Unit code

The unit of measurement for an item. SAT reference: c_ClaveUnidad.

Code	Name	Type
10	Groups	Several
11	Equipment	Several
A9	Rate	Several
AB	Bulk pack	Several
ACT	Activity	Sale units
AS	Variety	Several
BB	Base box	Industry specific units (several)
DAY	Day	Time and space
DPC	Dozens of pieces	Sale units
E48	Service Unit	Industry specific units (several)
E51	Job	Industry specific units (several)
E54	Trip	Industry specific units (several)
EA	Element	Sale units
GRM	Gram	Mechanics
H87	Part	Multiples / Fractions / Decimals
HUR	Time	Time and space
KGM	Kilogram	Mechanics
KT	Kit	Sale units
LTR	Liter	Time and space
MGM	Milligram	Mechanics
MLT	Milliliter	Time and space
MON	Month	Time and space
MTK	Square meter	Time and space
MTR	Meter	Time and space
PR	Pair	Integers / Numbers / Ratios
SET	Set	Sale units
XBX	Box	Packaging units
XKI	Kit (Set of parts)	Packaging units
XLT	Lot	Packaging units
XPK	Package	Packaging units
xun	Unit	Packaging units

Usage

The usage type of an invoice. SAT reference: c_UsoCFDI.
Please note that the table below includes the usage types for both version 3.3 and 4.0.

Code	Description	SAT Version
D01	Medical, dental, and hospital fees	3.3 and 4.0
D02	Medical expenses for disability or disability	3.3 and 4.0
D03	Funeral expenses	3.3 and 4.0
D04	Donations	3.3 and 4.0
D05	Real interest paid on mortgage loans	3.3 and 4.0
D06	Voluntary contributions to the SAR	3.3 and 4.0
D07	Medical expense insurance	3.3 and 4.0
D08	School transportation expenses	3.3 and 4.0
D09	Deposits in savings accounts, premiums based on pension plans	3.3 and 4.0
D10	Payments for educational services	3.3 and 4.0
G01	Acquisition of merchandise	3.3 and 4.0
G02	Refund, discounts or bonuses	3.3 and 4.0
G03	General expenses	3.3 and 4.0
I01	Buildings	3.3 and 4.0
I02	Furniture and office equipment	3.3 and 4.0
I03	Transport equipment	3.3 and 4.0
I04	Computer equipment and accessories	3.3 and 4.0
I05	Dies, punches, molds, matrices, and tooling	3.3 and 4.0
I06	Telephone communications	3.3 and 4.0
I07	Satellite communications	3.3 and 4.0
I08	Other machinery and equipment	3.3 and 4.0
P01	To define	3.3
S01	No fiscal effect	4.0
CP01	Payments	4.0
CN01	Payroll	4.0