((a))

((1)) Except as provided by paragraph (2) every employer shall, in accordance with such regulations as the Secretary may prescribe, maintain records with respect to each of his employees sufficient to determine the benefits due or which may become due to such employees. The plan administrator shall make a report, in such manner and at such time as may be provided in regulations prescribed by the Secretary, to each employee who is a participant under the plan and who—

((A)) requests such report, in such manner and at such time as may be provided in such regulations,

((B)) terminates his service with the employer, or

((C)) has a 1-year break in service (as defined in ).

((2)) If more than one employer adopts a plan, each such employer shall furnish to the plan administrator the information necessary for the administrator to maintain the records, and make the reports, required by paragraph (1). Such administrator shall maintain the records, and make the reports, required by paragraph (1).

((b)) If any person who is required, under subsection (a), to furnish information or maintain records for any plan year fails to comply with such requirement, he shall pay to the Secretary a civil penalty of $10 for each employee with respect to whom such failure occurs, unless it is shown that such failure is due to reasonable cause.