REVENUE MEMORANDUM CIRCULAR NO. 19-2007 issued on March 16, 2007 notifies the loss of quadruplicate copy from one (1) set of unused BIR Form No. 2321-Tax Debit Memo with Serial No. 014726.
       Because of the loss, which was reported by Ms. Corazon B. Guanzon of Revenue Region No. 11-Iloilo City, the entire TDM set bearing the said serial number is cancelled and all official transactions involving the use thereof are considered invalid.