The preservation of record rules contained in this part shall apply to the following:

This part applies also to the preservation of accounts, records and memoranda of traffic associations, demurrage and car service bureaus, weighing and inspection bureaus, and other joint activities maintained by or on behalf of companies listed in the above paragraph of this subpart.

[50 FR 1075, Mar. 18, 1985 and 51 FR 22083, June 18, 1986, as amended at 51 FR 44297, Dec. 9, 1986; 62 FR 50525, Sept. 26, 1997]