Cal. Civ. Proc. Code § 1533

Tangible personal property may be excluded from the notices required by Section 1531, shall not be delivered to the Controller, and shall not escheat to the state, if the Controller, in their discretion, determines that it is not in the interest of the state to take custody of the property and notifies the holder in writing, within 120 days from receipt of the report required by Section 1530, of their determination not to take custody of the property.