Calculation of tax data in México

Features [x] Support for Python 2.7-3.5.

Installation

Install pyfiscal.

pip install pyfiscal

CURP

The Clave Única de Registro de Población (CURP) is a unique 18 character alphanumeric identity code for both Mexican residents and citizens.

RFC

The Federal Taxpayer Registry is a code used in Mexico to distinguish each individual or company required to pay taxes. The people or organizations that have their RFC are called contributors.

1.- Para la Persona Física:

This homoclave will be designated by the SAT, reviewing the request through already designated official paper.

NSS

The Social Security Number (NSS) is unique, permanent and nontransferable and is assigned to keep a record of workers and insured.

Validation:

• Only 11 digits will be validated.
• Validation by the Luhn algorithm.
• Calculate the last digit.

Unit Tests

python -m unittest tests/data_fiscal_test.py

python -m unittest tests/validator_test.py 

License

See LICENSE for more details (The MIT License).

References

https://es.wikipedia.org/wiki/Algoritmo_de_Luhn