No beneficiary shall have or obtain any vested interest in a benefit until the benefit has become due and payable upon the death of the member. No certificate of membership in any burial society, nor any interest or rights in the certificate shall be assigned unless the assignment is to a person authorized by § 38.2-4019 to be named as a beneficiary except for the purpose of funding or paying for a preneed funeral contract as defined in § 54.1-2800, notwithstanding the provisions of § 38.2-4022, and so long as such assignment is revocable by the assignor. No money or other benefit provided by any burial society shall be liable to attachment, garnishment or other process, or be seized, taken, appropriated or applied by any legal or equitable process or operation of law to pay any debt or liability of a member or beneficiary, or any other person who may have a right to the benefit, either before or after payment.