evidence of posting for each letter sent in accordance with this chapter;
a copy of each letter sent in accordance with this chapter;
a copy of the Excel Spreadsheet containing the completed BSPS DBAAT or FCA DBAAT for each scheme case;
a record of the redress calculation performed by the BSPS calculator in Excel Spreadsheet format; and
A firm must keep the records required by (1) for a minimum of 5 years from the date of their creation or (for the records in (1)(f)) the date when the information was included in the consumer file or obtained.