BIR 1901: Application for Registration
For Self-Employed (Single Proprietor/Professional), Mixed Income Individuals, Non-Resident Alien Engaged in Trade/Business, Estate and Trust.
Fill this form
Type your details once and get the BIR form back as a PDF, ready to print and sign. Filling happens on PhilForms, the service this list is built from.
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
- October 2025
- Source last checked
- This page’s data as of
Guide to this form
BIR Form 1901: register as self-employed or freelancer
BIR Form 1901 for freelancers, professionals and sole proprietors: when to register, what to attach, the 8% box, invoices, and the fee printed on the form.
Read the full guide · updated October 21, 2026