> ## Documentation Index > Fetch the complete documentation index at: https://docs.wellapp.ai/llms.txt > Use this file to discover all available pages before exploring further. # Tax ID > Comprehensive tax identification types organized by category, covering global tax identification systems for business and individual tax reporting requirements ## Value Added Tax Systems
Value Description
VAT Value Added Tax (European Union, UK, and other countries)
VATIN VAT Identification Number
TVA Taxe sur la Valeur Ajoutée (French-speaking countries)
IVA Impuesto al Valor Agregado (Spanish/Portuguese-speaking countries)
MwSt Mehrwertsteuer (German-speaking countries)
BTW Belasting over de Toegevoegde Waarde (Dutch-speaking countries)
MOSS Mini One Stop Shop VAT
OSS One Stop Shop VAT
## Goods and Services Tax Systems
Value Description
GST Goods and Services Tax (Australia, Canada, India, Singapore, Malaysia, New Zealand)
GSTIN GST Identification Number (India specific format)
HST Harmonized Sales Tax (Canada)
PST Provincial Sales Tax (Canada)
QST Quebec Sales Tax (Canada)
SST Sales and Service Tax (Malaysia)
## General Tax Identification Numbers
Value Description
TIN Tax Identification Number (Generic)
TAX\_ID Tax Identification (Generic)
TAX\_REG Tax Registration Number
TAX\_CERT Tax Registration Certificate Number
## Business Registration Numbers
Value Description
ABN Australian Business Number
ACN Australian Company Number
BN Business Number (Canada)
BRN Business Registration Number
UEN Unique Entity Number (Singapore)
BIN Business Identification Number
USCI Unified Social Credit Identifier (China)
CRN Company Registration Number
## Corporate Tax Identifiers
Value Description
CIF Corporate Identity Code de Identificación Fiscal
NIF Número de Identificación Fiscal
NIE Número de Identidad de Extranjero
CNPJ Corporate Tax ID (Brazil format)
CUIT Corporate Tax ID (Argentina format)
RUT Corporate Tax ID (Chile/Colombia format)
RUC Corporate Tax ID (Peru/Ecuador format)
NIT Corporate Tax ID (Colombia/Bolivia format)
RFC Corporate Tax ID (Mexico format)
## Individual Tax Numbers
Value Description
SSN Social Security Number
SIN Social Insurance Number (Canada)
TFN Tax File Number (Australia)
ITIN Individual Taxpayer Identification Number
ATIN Adoption Taxpayer Identification Number
PTIN Preparer Tax Identification Number
CPF Individual Tax ID (Brazil format)
CUIL Individual Tax ID (Argentina format)
CURP Individual ID (Mexico format)
PAN Permanent Account Number (India)
NINO National Insurance Number (UK)
CF Codice Fiscale (Italy)
AFM Tax Registration Number (Greece)
NIPC Corporate Tax ID (Portugal)
OIB Personal Identification Number (Croatia)
## 👥 Employer Tax Numbers
Value Description
EIN Employer Identification Number
FEIN Federal Employer Identification Number
TAN Tax Deduction Account Number (India)
IE State Registration (Brazil)
IM Municipal Registration (Brazil)
## European Specific Systems
Value Description
SIRET Establishment Identification (France - 14 digits)
SIREN Company Identification (France - 9 digits)
UTR Unique Taxpayer Reference (UK)
RSIN Legal Entities Identifier (Netherlands)
KVK Chamber of Commerce Number (Netherlands)
BCE Enterprise Crossroads Bank (Belgium)
UID Enterprise Identification (Switzerland)
CVR Central Business Register (Denmark)
ORG Organization Number (Norway/Sweden)
NIP Tax Identification Number (Poland)
REGON Business Registry Number (Poland)
DIC Tax Identification Number (Czech Republic)
INN Individual Taxpayer Number (Russia)
KPP Tax Registration Reason Code (Russia)
EDRPOU Unified State Register Code (Ukraine)
## Asian Specific Systems
Value Description
HOJIN Corporate Number (Japan)
KOJIN Individual Number (Japan)
RRN Resident Registration Number (South Korea)
NPWP Tax Registration Number (Indonesia)
UBN Unified Business Number (Taiwan)
PIN Personal Identification Number (Kenya)
## Middle Eastern Specific Systems
Value Description
TRN Tax Registration Number (UAE)
VKN Tax Identity Number (Turkey)
## Registration Authority Codes
Value Description
CIN Corporate Identification Number (India)
FCRN Foreign Contribution Registration Number (India)
CDI Identification Code (Argentina)
RIF Fiscal Information Registry (Venezuela)
## Sales Tax Systems
Value Description
SALES\_TAX Generic Sales Tax Number
USE\_TAX Use Tax Number
EXCISE\_TAX Excise Tax Number
LUXURY\_TAX Luxury Tax Number
## Customs and Trade
Value Description
CUSTOMS\_ID Customs Identification Number
EORI Economic Operators Registration and Identification
AEO Authorized Economic Operator
CTPAT Customs-Trade Partnership Against Terrorism
## Specialized Tax Systems
Value Description
WITHHOLDING\_TAX Withholding Tax Number
TRANSFER\_TAX Transfer Tax Number
PROPERTY\_TAX Property Tax Number
PAYROLL\_TAX Payroll Tax Number
FRANCHISE\_TAX Franchise Tax Number
## Fallback Values
Value Description
OTHER Other/Unspecified Tax ID Type
UNKNOWN Unknown Tax ID Type
OTH Other (legacy code - maintain for backwards compatibility)