Form 3774, Request for ResearchExhibit 3.12.179-2 (cont. 3) shows a completed Form 3774, Request for Research. The cycle sequence number of the unpostable is listed at the top of the form. Part 1 of the forms has the following boxes filled in:Master File IndicatorTINDistrict (shows a note that the District AO can be found on Form 4251 or at the bottom of the screen on CC UPRES)MFTSpecific Tax PeriodCategoryPart 3 has the following filled out:Taxpayer Name and AddressService CenterRequestor IDRS NumberStop NumberPhone NumberDatePart 5 contains check boxes to identify what data is being requested: TIN, Name Lines, Filing Requirements, Module Balance, Address, Spouse SSN, FYM, DLN, Transcript, Transaction Code or other. The exhibit has Transcript checked and the vestigial cycle when the Unpostable went to Retention.