This represents Form 5466-B showing field designators.The locations with field designators are listed: Block 8, MFT Account Code, contains 01MFT.Block 9, Transaction Code, contains 01TC.Name Control column contains 01NC.SSN/EIN column contains 01TIN/01PRE.Tax Period column contains 01TXP.Disclosure Date column contains 01TDT.Nature of Disclosure Code column contains 01DC.ADP Source Code column contains 01ADP.