REVENUE MEMORANDUM CIRCULAR NO. 14-2012 issued on April 4, 2012 revokes the Memoranda of Agreement (MOA) entered into between the Bureau of Internal Revenue (BIR) and Board of Investments (BOI) and BOI-Autonomous Region of Muslim Mindanao; and BIR and Philippine Economic Zone Authority (PEZA). The MOAs contain provisions limiting the authority of the BIR to investigate returns filed by enterprises under the jurisdiction of BOI, BOIARMM and PEZA.                                                                                         Said provisions are contrary to law, thus, said MOAs are revoked. The BOI, BOI-ARMM and PEZA registered enterprises are thus subject to the same rules and regulations affecting regular taxpayers, and must submit properly accomplished requirements and documents within the time-frame prescribed by pertinent issuances. Likewise, said enterprises are required to submit their certificate for entitlement to ITH or preferential treatment within thirty (30) days from filing of their ITRs, as among the requirements for their enjoyment of ITH or preferential tax privileges.