Cal. Fin. Code § 687

If the licensee has in its possession for safekeeping or storage any jewelry, plate, money, specie, bullion, stocks, bonds, securities, valuable papers, or other valuable personal property, or has rented any vaults, safes, or safe-deposit boxes, the commissioner shall cause to be mailed, by registered mail, postage prepaid, to any known person claiming to be or appearing on the books of the licensee to be the owner of the property or to the person in whose name the safe, vault, or box stands a notice notifying the person to remove all of the personal property within a specified fixed period of not less than 60 days.