National Internal Revenue Code (NIRC)
If a bank has knowledge of the death of a person, who maintained a bank deposit account alone, or jointly with another, it shall not allow any withdrawal from the said deposit account, unless the Commissioner has certified that the taxes imposed thereon by this Title have been paid: Provided, however, That the administrator of the estate or any one (1) of the heirs of the decedent may, upon authorization by the Commissioner, withdraw an amount not exceeding Twenty thousand pesos (P20,000) without the said certification. For this purpose, all withdrawal slips shall contain a statement to the effect that all of the joint depositors are still living at the time of withdrawal by any one of the joint depositors and such statement shall be under oath by the said depositors.