The MyFTB service for filing Form FTB 588, Nonresident Withholding Waiver Request, will be temporarily unavailable effective June 23, 2019. The FTB estimates service availability will return by October 1, 2019.
If you need to request a waiver prior to this date, you may file the form by mail or fax:
Withholding Services and Compliance MS F182
P.O. Box 942867
Sacramento, CA 94267-0651