The File a Nonresident Withholding Waiver Request (Form 588) service offered through MyFTB will be temporarily unavailable effective June 23, 2019. The FTB estimates the service will be back up and running by October 1, 2019.
If you need to request a waiver during the period of unavailability, complete FTB Form 588, Nonresident Withholding Waiver Request, and file the form by mail or fax:
Withholding Services and Compliance MS F182
Franchise Tax Board
P.O. Box 942867
Sacramento, CA 94267-0651
Fax: (916) 845-9512