Social Security Act
Section 16. Exemption from Tax, Legal Process and Lien. - All laws to the contrary notwithstanding, the SSS and all its assets and properties, all contributions collected and all accruals thereto and income or investment earnings therefrom as well as all supplies, equipment, papers or documents shall be exempt from any tax, assessment, fee, charge, or customs or import duty; and all benefit payments made by the SSS shall likewise be exempt from all kinds of taxes, fees or charges, and shall not be liable to attachments, garnishments, levy or seizure by or under any legal or equitable process whatsoever, either before or after receipt by the person or persons entitled thereto, except to pay any debt of the member to the SSS. No tax measure of whatever nature enacted shall apply to the SSS, unless it expressly revokes the declared policy of the State in Section 2 hereof granting tax-exemption to the SSS. Any tax assessment imposed against the SSS shall be null and void.