Adoption of Single Taxpayer ID Number

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BIR REVENUE MEMORANDUM CIRCULAR NO. 58-91: Adoption of Single Taxpayer ID Number

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Title Source: Supreme Court: Adoption of Single Taxpayer ID Number

Law: Bir Revenue Memorandum Circular No. 58-91

Decision Date: Jul 8, 1991

The Bureau of Internal Revenue (BIR) introduces a new 9-digit Taxpayer Identification Number (TIN) to replace the outdated and inefficient Tax Account Number (TAN) system, streamlining taxpayer identification and enhancing data management for improved tax administration.

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