QUEZON CITY – The Social Security System (SSS) and the Bureau of Internal Revenue (BIR) on Friday formalized a landmark partnership to strengthen compliance with tax and social security laws, enhance data sharing, and improve public service delivery. The memorandum of understanding (MOU), signed by SSS president and chief executive officer Robert Joseph M. De Claro and BIR Commissioner Atty. Charlito Martin R. Mendoza at the BIR National Office in Quezon City, establishes a framework for stronger institutional coordination in carrying out the agencies’ respective mandates. PCEO De Claro said the MOU marks a significant step in aligning the mandates, expertise, and resources of the SSS and the BIR. Likewise, the social security contributions are the lifeblood of SSS operations, allowing us to provide meaningful protection and financial security to millions of workers, pensioners and their families,” De Claro said.