![BPS Memo Circular No. 01 Series of 2011](https://bps.dti.gov.ph/components/com_edocman/assets/images/icons/32x32/pdf.png)
BPS Memorandum Circular No. 01 Series of 2011, Deferment of the Implementation of Memorandum Circular No. 01 Series of 2010 - Implementing Guidelines for the Mandatory Certification of PNS 67:2009 - Hot-dip metallic-coated steel sheets for roofing - Specification