"Holder of the decedent's property" or "holder" means, with respect to any particular item of property of the decedent, the person owing money to the decedent, having custody of tangible personal property of the decedent, or acting as registrar or transfer agent of the evidences of a debt, obligation, interest, right, security, or chose in action belonging to the decedent.
Ca. Prob. Code § 13002