BIR 1801: Estate Tax Return
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Where this form comes from
The blank form was taken from a BIR website on the .gov.ph domain, so the copy you fill is the agency’s own.
- Official download
- bir-cdn.bir.gov.ph
- Edition
- Jan 2018
- Source last checked
- This page’s data as of
Guide to this form
When a family member dies: SSS, GSIS and Pag-IBIG claims and the estate tax return
Who claims the SSS funeral and death benefits, the GSIS and Pag-IBIG claims, and the estate tax return due within a year — in plain words, in order.
Read the full guide · updated October 11, 2026