The bureau has issued Revenue Memorandum Circular (RMC) No. 106-2016 publishing the Full Tex of Memorandum Circular No. 06, Entitled "Enjoining All Government Officials and Employees to Strictly Observe and Comply with the Prohibition Against Going to Gambling Casinos".
Please refer http://www.bir.gov.ph/images/bir_files/internal_communications_2/RMCs/RMC%20No%20106-2016.pdf of the full text of Memorandum Circular No. 06 dated September 20, 2016.