Agencies shall maintain complete records of all actions taken under this subpart  50.1. For each request for relief processed, these records shall include, as a minimum-

1. (a) The contractor’s request;

2. (b) All relevant memorandums, correspondence, affidavits, and other pertinent documents;

3. (c) The Memorandum of Decision (see 50.103-6 and 50.104-2); and

4. (d) A copy of the contractual document implementing an approved request.