Revenue and Taxation Code § 38565
ARTICLE 7. Payment on Termination of Business and Successor’s Liability
If at the time a business is discontinued the board holds security pursuant to Section 38501 in the form of cash, government bonds, or insured deposits in banks or savings and loan institutions, this security when applied to the account of the taxpayer shall be deemed to be a payment on account of any liability of the taxpayer to the board on the date the business is discontinued.