BIR REVENUE MEMORANDUM ORDER NO. 31-2014, August 15, 2014
REGULAR UPDATING OF CONTENT OF THE BIR WEBSITE USING THE NEW CONTENT MANAGEMENT SYSTEM
National Administrative Register August 15, 2014
Text Available at the Office of the National Administrative Register, U.P. Law Complex, Diliman, Quezon City
Adopted: 15 August 2014