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BIR guides
Bureau of Internal Revenue
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Guides
TIN Application 2026: How to Get a TIN Online (ORUS)
Get a BIR TIN in 2026 for free through ORUS or at your RDO. Which form to use (1901, 1902, 1904), requirements and the Digital TIN ID.
TIN Verification 2026: How to Check or Find Your TIN
Verify or find your BIR TIN in 2026 for free: ORUS, BIR hotline, email or your RDO. What to prepare and what to avoid.
Withholding Tax on Salary 2026 Philippines: Table and Computation
How withholding tax on compensation works in the Philippines in 2026: who is exempt, the BIR tax table, how to compute tax on your salary, BIR Form 2316 and substituted filing.