Revenue and Taxation Code section 6901.5

When an amount represented by a person to a customer as constituting reimbursement for taxes due under this part is computed upon an amount that is not taxable or is in excess of the taxable amount and is actually paid by the customer to the person, the amount so paid shall be returned by the person to the customer upon notification by the Board of Equalization or by the customer that such excess has been ascertained. In the event of his or her failure or refusal to do so, the amount so paid, if knowingly or mistakenly computed by the person upon an amount that is not taxable or is in excess of the taxable amount, shall be remitted by that person to this state. Notwithstanding subdivision (b) of Section 6904, those amounts remitted to the state shall be credited by the board on any amounts due and payable under this part on the same transaction from the person by whom it was paid to this state and the balance, if any, shall constitute an obligation due from the person to this state.

Source: Section 6901.5, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=RTC§ionNum=6901.­5.­ (updated Jan. 1, 1987; accessed Dec. 29, 2025).

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Verified:
Dec. 29, 2025

§ 6901.5's source at ca​.gov