California Nonresident Service Payments: Withholding and FTB Forms

A California business paying an out-of-state service provider needs two answers before it sends the money: How much of the payment is California-source income, and does an exemption, waiver, or reduction apply? The Franchise Tax Board’s nonresident withholding rules can make the payer responsible for tax it failed to withhold. A contract address outside California does not answer either question.

When does California nonresident withholding apply?

The Franchise Tax Board’s nonresident withholding guidance generally calls for a withholding agent to withhold 7% on payments or distributions of California-source income to a nonresident payee once the calendar-year total exceeds $1,500. A withholding agent is the person or entity controlling, receiving, holding, disposing of, or paying California-source income; it may be a business or property manager. Services performed in California are a common trigger; buying goods or paying for services performed outside California generally is not.

Ask what work was performed, where it occurred, what each invoice covers, and how much the payer expects to pay during the calendar year. Keep the contract, invoices, work-location records, and the payee’s tax status together. If an invoice combines California and non-California services, establish the allocation before deciding what amount may be subject to withholding. This is a withholding inquiry; it does not by itself decide the payee’s ultimate California income-tax liability.

Forms 587, 588, 589, and 590: Different withholding decisions

Form 587 is an allocation worksheet used to determine the California-source share of a payment. Form 590 is an exemption certificate that a qualifying payee completes and gives to the withholding agent. Form 588 is a request for an FTB withholding waiver; submitting a request is different from receiving an approved waiver. Form 589 asks FTB to reduce the withholding amount. Submitting Form 589 does not itself reduce the amount required to be withheld; FTB approval states any reduced amount.

The forms serve different reasons for changing the amount withheld. A payer should match the payee’s claimed basis to the correct document, verify that it covers the payment type and applies to the current tax year, and retain the supporting record. The FTB says withholding agents and payees should review waiver or reduced-withholding paperwork before payment and retain copies of those forms for at least five years. Consult FTB Publication 1017 for the full list of withholding exceptions.

Plan the payment and reporting sequence

If no applicable exception or approved relief changes the result, calculate the withholding on the California-source payment, track the calendar-year threshold, and remit and report it under the FTB’s filing schedule. The withholding agent generally uses Form 592 to report payees and amounts withheld and gives the payee Form 592-B. The FTB guidance lists payment-period due dates; confirm the period and current-year form before remitting. A pass-through entity distribution or foreign partner payment may use a different reporting route, so a service-payment checklist should not be reused without checking that classification.

A useful file contains the contract, work-location records, allocation documentation, cumulative payments for the year, the applicable exemption certificate or FTB approval letter, payment and remittance dates, the filed withholding return, and the payee statement. If the payer failed to withhold, the FTB warns that it may have to pay the amount that should have been withheld. Reconstruct the payment record before deciding whether a correction or dispute is warranted.