Colombia Commercial RUT Generator
Colombian Commercial Single Tax Registry (RUT) displaying the NIT and the 4-digit economic activity CIIU code.
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About the Colombia Commercial RUT
The RUT is the tax registration record managed by DIAN in Colombia. The commercial version requires the NIT taxpayer ID together with a valid 4-digit economic activity code (CIIU).
This tool generates and validates commercial RUTs, checking NIT Modulo 11 check digits and verify alignment with economic activity classification.