Bureau of Internal Revenue (BIR)
BIR Registration & TIN
Bureau of Internal Revenue registration procedures starting with Taxpayer Identification Number (TIN) issuance. Not tax advice.
Guides cover TIN, self-employed registration, books, registration updates, RDO transfer, COR replacement, and business closure.
One source-checked guide
BIR Registration of Books of Accounts
Register or update BIR books of accounts using Form 1905 and related loose-leaf permits—compliance overview only.
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BIR Business Closure / Cancellation of Registration
Close or cancel BIR business registration using Form 1905 and supporting inventory/permit turn-ins—overview only, not tax advice.
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BIR Replacement of Lost or Damaged COR
Replace a lost or damaged BIR Certificate of Registration using Form 1905 replacement checklist items.
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BIR Transfer of Registration to Another RDO
Transfer BIR registration from one Revenue District Office to another using Form 1905 transfer checklists.
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BIR Registration Information Update
Update BIR registration information (address, tax types, civil status, trade name, and related fields) using Form 1905.
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BIR Self-Employed / Professional Registration
Register as a self-employed individual or professional with BIR using Form 1901—distinct from employee-only TIN registration.
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BIR TIN Application
How to get a Taxpayer Identification Number (TIN) for the first time—by your registration category—using current BIR forms, ORUS, and Revenue District Office routes. Not tax advice.
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