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Fax for supporting documents (Additional Documentation Required – Refund Pending)

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Confirm the agency, office, and filing purpose before sending any documents.

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Yes. Review the source and verification details on the page before sending sensitive records.

California Franchise Tax Board • Franchise Tax Board • Sacramento, California

Fax for supporting documents (Additional Documentation Required – Refund Pending)

916-845-9351

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Agency

California Franchise Tax Board

Section

Filing Compliance Bureau - Franchise Tax Board

Department

Filing Compliance Bureau

Office

Franchise Tax Board

Location

Sacramento, California

Last Checked

June 3, 2026

Verification & trust

Status Needs Review

Last verified June 3, 2026

Confidence 0.95

What this fax number is for

Franchise Tax Board

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Source and verification

Fax for supporting documents (Additional Documentation Required – Refund Pending)

Added June 1, 2026

Send us the required supporting documents listed on your notice by fax or mail: Fax 916-845-9351 Mail Filing Compliance Bureau MS F151 Franchise Tax Board PO Box 1468 Sacramento CA 95812-1468

View Source Confidence: 0.95

FTB 4502 fax

Added June 1, 2026

FTB 4502 - Send required supporting documents by fax or mail: Fax 916-845-9351.

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Related fax numbers

Type FaxNumber

Agency California Franchise Tax Board

Label Fax for supporting documents (Additional Documentation Required – Refund Pending)

Fax Number 916-845-9351

This listing is meant to help users confirm the correct fax destination before sending documents.

Needs Review Checked Jun 3, 2026