(b) Subsidy contracts; provisions relative to officers and crew Every contract executed under authority of subchapters VI and VII of this chapter shall require
(1) Insofar as is practicable, officers living quarters shall be kept separate and apart from those furnished for members of the crew;
(2) Licensed officers and unlicensed members of the crew shall be entitled to make complaints or recommendations to the Secretary of Transportation providing they file such complaint or recommendation directly with the Secretary of Transportation, or with their immediate superior officer who shall be required to forward such complaint or recommendation with his remarks to the Secretary of Transportation, or with the authorized representatives of the respective collective bargaining agencies;
(3) Licensed officers who are members of the United States Navy Reserve shall wear on their uniforms such special distinguishing insignia as may be approved by the Secretary of the Navy; officers being those men serving under licenses issued by the Bureau of Marine Inspection and Navigation or the Coast Guard;
(4) The uniform stripes, decoration, or other insignia shall be of gold braid or woven gold or silver material, to be worn by officers, and no member of the ships crew other than licensed officers shall be allowed to wear any uniform with such officers identifying insignia;
(5) No discrimination shall be practiced against licensed officers, who are otherwise qualified, because of their failure to qualify as members of the United States Navy Reserve.