Section 159.007-3 - Production inspections and tests: Independent laboratory's procedures(a) The manufacturer may follow an independent laboratory's procedures for production inspections and tests if those procedures-(1) Meet or exceed the production inspection and test requirements of the applicable subpart or are equivalent to those inspections and tests;(2) Include labeling or marking the equipment or material when the equipment or material meets the inspection and test procedures of the laboratory; and(3) Are accepted by the Commandant under § 159.007-7(b) .