CA-590 and CA-587 Tax Forms
The State of California Franchise Tax Board website has information regarding this withholding requirement.
California Revenue and Taxation Code (R&TC) Section 18662 and the related regulations requires withholding 7% of income or franchise tax on certain payments made to nonresidents (including individuals, corporations, partnerships, LLCs, estates, and trusts) for income received from California sources unless an approved waiver or reduction is granted. The withholding rate is 7% unless a waiver or reduction is granted by the FTB.
Payments to non-residents for services performed in CA including rent, royalties, prizes, and other winnings, and non-employee compensation are subject to withholding. When setting up a new vendor that will provide services in the state one of these two forms need to be collected:
Form 587: Non-Resident Withholding Allocation Worksheet – This is to be completed by non-residents and based on their responses in the Payment Type section, withholding may not be required, or they may be directed to complete the allocation worksheet to adjust the withholding amount.
Form 590: Withholding Exemption Certificate - This form is to be completed by CA Residents or Non-Residents for which one of the exemption reasons apply based on entity type and/or resident status.

Please consult a tax professional if you are unsure which form is most appropriate for you or your entity to complete. FMS Pay does not offer tax or legal advice.
The "Withholding Agent" field for the tax form submitted should be listed as "FMS PAY LLC."
Form 587, Nonresident Withholding Allocation Worksheet, and Form 590, Withholding Exemption Certificate, and accompanying instructions are provided for your convenience.
If you do not provide us a completed Form 587 or Form 590, we will withhold 7% of all payments made to you and remit withheld amounts to the California Franchise Tax Board. If you provide us Form 587, we will withhold 7% of the total payments subject to withholding within California.
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