(1) Persons subject to requirement. Each contributing sponsor and the plan administrator of a plan terminating in a standard termination, or in a distress termination that closes out in accordance with
§ 4041.50, must maintain all records necessary to demonstrate compliance with
section 4041 of ERISA and this part. A record may be maintained in any format that reasonably ensures the integrity of the original information and that allows the record to be converted to hardcopy if necessary under
paragraph (b) of this section. If a contributing sponsor or the plan administrator maintains information in accordance with this paragraph (a)(1), the other(s) need not maintain that information.