§  42.1   Scope of the regulations in this part.

   (a) The regulations in this part apply to all accounts, records,
   memoranda, documents, papers, and correspondence prepared by or on
   behalf of the carrier as well as those which come into its possession
   in connection with the acquisition of property, such as by purchase,
   consolidation, merger, etc.

   (b) The regulations in this part shall not be construed as requiring
   the preparation of accounts, records, or memoranda not required to be
   prepared by other regulations, such as the Uniform System of Accounts,
   except as provided hereinafter.

   (c) The regulations in this part shall not be construed as excusing
   compliance with any other lawful requirement for the preservation of
   records.