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El Salvador TIN number guide

Número de Identificación Tributaria(NIT)​

NIT contains 14 digits in the format xxxx-xxxxxx-xxx-x (e.g., 0614-241287-102-5) represents Número de Identificación Tributaria(NIT). The initial segment (4 digits) signifies the municipality code, while the subsequent 6 digits indicate the establishment date for organizations (or the birth date for individuals). The following 3-digit section functions as a running number, and the last digit serves as a verification digit.

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