§ 63.3553 What are the general requirements for performance tests?

(a) Before August 24, 2020, you must conduct each performance test required by § 63.3550 according to the requirements in § 63.7(e)(1) and under the conditions in this section unless you obtain a waiver of the performance test according to the provisions in § 63.7(h). On and after August 24, 2020, you must conduct each performance test required by § 63.3550 according to the requirements in this section unless you obtain a waiver of the performance test according to the provisions in § 63.7(h).