Product	Philippine National Standard/s (PNS)	Enabling Law	Product Image
Autoclaved Aerated Concrete (AAC)	PNS ASTM C1693:2019 Standard Specification for Autoclaved Aerated Concrete (AAC) (ASTM published 2011)	Department Administrative Order (DAO) No. 22-03 Series of 2022 The New Technical Regulation Concerning the Mandatory Product Certification of Concrete Masonry Untis

          This specific product coverage with corresponding version of reference standards shall be mandatory beginning 04 July 2023 as stated in the transitory provision of the DAO 22-03:2022