Section 162.161-7 - Inspections at production(a) The system must be inspected in accordance with this section and 46 CFR 159.007-1 through 159.007-13 , and tested using any additional tests that the Commandant (CG-5214) may deem necessary to maintain control of quality and to ensure compliance with this subpart.(b) The manufacturer must: (1) Institute procedures to maintain control over the materials used, over the manufacturing of the systems, and over the finished systems;(2) Admit the independent laboratory inspector and any representative of the Coast Guard to any place where work is being done on systems and any place where parts or complete systems are stored;(3) Allow the independent laboratory inspector and any representative of the Coast Guard to take samples of systems for tests prescribed by this subpart; and(4) Conduct a leakage test on each system cylinder-valve assembly in accordance with subsections 57.1 through 57.4.2 of UL 2166 (incorporated by reference, see § 162.161-2 ) for halocarbon systems or subsection 55.4 of UL 2127 (incorporated by reference, see § 162.161-2 ) for inert gas systems.