How to Link a CAF Number

How to Link a CAF Number

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IRS Videos
Jun 30, 2026

Tax Professionals can easily link their Centralized Authorization File (CAF) number to their IRS Tax Pro Account.

Linking a CAF number for individual or business is a one-time process that allows tax professionals to better help their clients.

Learn how to link your CAF number today and get full access to the tools you need all in one place. https://www.IRS.gov/TaxProAccount