§ 4007.10 Recordkeeping; audits; disclosure of information.
(a) Retention of records to support premium payments—(1) In general. The designated recordkeeper under paragraph (a)(3) of this section must retain, for a period of six years after the premium due date, all plan records that are necessary to establish, support, and validate the amount of any premium required to be paid and any information required to be reported (“premium-related information”) under this part and part 4006 of this chapter and under PBGC's premium filing instructions. Records that must be retained pursuant to this paragraph include, but are not limited to, records that establish the number of plan participants and that support and demonstrate the calculation of unfunded vested benefits.
(2) Electronic recordkeeping. A designated recordkeeper may use electronic media for maintenance and retention of records required by this part in accordance with the requirements of subpart E of part 4000 of this chapter.
(3) Designated recordkeepers.
(i) With respect to the flat-rate and variable-rate premiums described in § 4006.3 of this chapter, the plan administrator is the designated recordkeeper.
(ii) With respect to the premium for certain terminated single-employer plans described in § 4006.7 of this chapter, each person who was a contributing sponsor of such a plan, or was a member of a contributing sponsor's controlled group, as of the day before the plan's termination date is a designated recordkeeper.