BIR guides

Bureau of Internal Revenue

Guides

TIN Application 2026: How to Get a TIN Online (ORUS)Get a BIR TIN for free through ORUS or at your RDO: which form to use (1901, 1902, 1904), the ID you need, processing time and the free Digital TIN ID.
TIN Verification 2026: How to Check or Find Your TINFind or verify your BIR TIN for free: check ORUS or your Digital TIN ID, call the BIR hotline, email BIR, or visit your RDO with a valid ID.
Withholding Tax on Salary 2026: BIR Table and ComputationWithholding tax on salary: the BIR tax table in force since 2023, who is exempt, how to compute it, BIR Form 2316 and substituted filing.

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