CDTFA petitions fax number (disputed billings)

Where to fax CDTFA's Petitions Section about a petitioned (disputed) Department-assessed sales and use tax billing.

Verified October 22, 2026Checked against Key Contacts (California Department of Tax and Fee Administration).

CDTFA petitions fax number (disputed billings): which number to use
Who uses it	Office	Fax
Petitioned (disputed) Department-assessed billings	CDTFA Petitions Section	1-916-324-0678

Before you fax

The Petitions Section also takes email at [email protected]. CDTFA Publication 17 explains appeals procedures.

Last verified October 22, 2026

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