(a) Any replacement part subject to the provisions of this article shall be presumed to be in compliance with this article unless the executive officer makes a finding to the contrary pursuant to Section 2475(a).

(b) The manufacturer of any replacement part subject to the provisions of this article shall maintain sufficient records, such as performance specifications, test data, or other information, to substantiate that such a replacement part is in compliance with this article. Such records shall be open for reasonable inspection by the executive officer or his/her representative. All such records shall be maintained for four years from the year of manufacture of the replacement part. The manufacturer may determine the format for maintaining such records (including, but not limited to, electronic or computer readable files, backup tapes, or magnetic media), provided the format allows the records to be readily retrieved and displayed to the executive officer.