"SECTION 96. Restitution of Tax Upon Satisfaction of Outstanding Obligations. - If, after the payment of the estate tax, new obligations of the decedent shall appear, and the persons interested shall have satisfied them by order of the court, they shall have a right to the restitution of the proportional part of the tax paid.

"SECTION 97. Payment of Tax Antecedent to the Transfer of Shares, Bonds or Rights. - There shall not be transferred to any new owner in the books of any corporation, sociedad anonima, partnership, business, or industry organized or established in the Philippines any share, obligation, bond or right by way of gift inter vivos or mortis causa, legacy or inheritance, unless a certification from the Commissioner that the taxes fixed in this Title and due thereon have been paid is shown.

"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.