REVENUE MEMORANDUM CIRCULAR NO. 50-2012 issued on August 28, 2012 prescribes the issuance of Certificate of Tax Clearance (CTC) to public transport operators as a pre-requisite for acceptance in application for approval of sale and transfer of a Certificate of Public Convenience (CPC) with the Land Transportation Franchising and Regulatory Board (LTFRB).
       In securing CTC, public transport operators shall submit the requirements specified in the Circular and ensure that all fees/dues/taxes are fully paid to the Land Transportation Office, LTFRB and to the concerned Revenue District Office (RDO) of the Bureau of Internal Revenue where they are registered.
         The CTC shall be sequentially numbered and shall consist of 13 digits where the first 2 digits shall represent the month of issuance, the next 4 digits shall represent the year, the next 3 digits shall represent the RDO Number and the last 4 digits as the sequence number which shall start with 0001, 0002 and so on, regardless of the month, but shall start again from 0001 at the beginning of each calendar year.
          The concerned District Office shall  maintain a logbook for  all filed applications and maintain a file of all duplicate copies of CTCs issued pursuant to this Circular.