Colombia Unique Taxpayer Number (NIT)

The Colombia Unique Taxpayer Number is a 10-digit number assigned to persons who must pay taxes in Colombia.

Colombia Unique Taxpayer (NIT) — Validates check digit for position weighted checksum by National Tax and Customs Directorate (DIAN).

Regex expressions	Description	Score
`\b[0-9]{10}\b`	Matches a 10-digit number of the format NNNNNNNNNN without delimiter.	1
`\b[0-9]{3}\.[0-9]{3}\.[0-9]{3}\.[0-9]\b`	Matches a 10-digit number of the format NNN.NNN.NNN.N delimited by dot.	1
`\b[0-9]{3},[0-9]{3},[0-9]{3},[0-9]\b`	Matches a 10-digit number of the format NNN,NNN,NNN,N delimited by comma.	1
`\b[0-9]{3} [0-9]{3} [0-9]{3} [0-9]\b`	Matches a 10-digit number of the format NNN NNN NNN N delimited by space.	1

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