Code of Federal Regulations Title 40. Protection of Environment § 40.91.1308 Maintenance of records

(a) Any manufacturer that is participating in the in-use credit program set forth in this subpart shall establish, maintain, and retain the records required by § 91.209 with respect to its participation in the in-use credit program.

(b) EPA may void ab initio a certificate of conformity for an engine family for which the manufacturer fails to retain the records required under this section or to provide such information to the Administrator upon request.