§ 85.2121 Decertification.
(a) The MOD Director may notify an aftermarket part manufacturer that the Agency has made a preliminary determination that one or more parts should be decertified.
(1) Such a preliminary determination may be made if there is reason to believe that the part manufactured has failed to comply with §§ 85.2112 through 85.2122. Information upon which such a determination will be made includes but is not limited to the following.
(i) Tests required to be performed to demonstrate compliance of the part with the applicable Emission-Critical Parameters
(A) Were not performed on the part(s), or
(B) Were insufficient to demonstrate compliance;
(ii) The part was certified on the basis of emission tests, and
(A) The procedures used in such tests were not in substantial compliance with a portion or portions of the Federal Test Procedure which were not waived pursuant to § 85.2114(d);
(B) The emission results were not in compliance with the requirements of § 85.2114(d); or
(C) The procedures used for part aging for durability demonstration were not in substantial compliance with the durability cycle required by § 85.2114.