Electronic Flat Text File specification
Use this version of the Electronic Flat Text File (EFTF) specification for returns submitted from March 2014.
PDF, 232KB, 31 pages
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For Other Interest and Savings Income returns.
Electronic Flat Text File (EFTF) specification is the new name for the Magnetic Media specification because HMRC does not accept returns made on magnetic media (i.e. floppy disks) any more. The details of the specification have not changed, only the name.