REVENUE MEMORANDUM CIRCULAR NO. 50-2006 issued on August 16, 2006 notifies the loss of one (1) set of unused BIR Form No. 0422-Mission Order with Serial No. MSO200100004301.

     Said copy of MSO, which was reported lost by Ms. Sheryll F. Milliam of Revenue Region No. 18, Cotabato City, has been cancelled and all official transactions involving the use thereof are considered invalid.