[ BIR REVENUE MEMORANDUM CIRCULAR NO. 28-2013, April 01, 2013 ]
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National Administrative Register October 30, 2008REVOCATION OF BIR RULING NO. SH (044) 261-2008 DATED OCTOBER 30, 2008 PURSUANT TO BIR RULING NO. 433-2012 DATED JUNE 25, 2012