scope:

Applicability.

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

Railroad companies

Electric railway companies

Express companies Persons furnishing cars to railroads

Ratemaking organizations

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.