36 C.F.R. § 1222.28 : Parks, Forests, and Public Property — NATIONAL ARCHIVES AND RECORDS ADMINISTRATION — RECORDS MANAGEMENT — CREATION AND MAINTENANCE OF FEDERAL RECORDS — AGENCY RECORDKEEPING REQUIREMENTS — What are the series level recordkeeping requirements?

To ensure that record series and systems adequately document agency policies, transactions, and activities, each program must develop recordkeeping requirements for records series and systems that include:

(a) Identification of information and documentation that must be included in the series and/or system;
(b) Arrangement of each series and the records within the series and/or system;
(c) Identification of the location of the records and the staff responsible for maintaining the records;
(d) Policies and procedures for maintaining the documentation of phone calls, meetings, instant messages, and electronic mail exchanges that include substantive information about agency policies and activities;
(e) Policies and procedures for identifying working files and for determining the record status of working files in paper and electronic form; and
(f) Policies and procedures for maintaining series consisting of different media.

36 C.F.R. § 1222.28