§ 231 — Application of quality mark

§ 231. Application of quality mark. 1. When an article is composed of\nmechanism, works or movements and of a case or cover containing the\nmechanism, works or movements, a quality mark applied to the article\nshall be deemed not to be, nor to be intended to be, applied to the\nmechanism, works or movements.\n 2. The quality mark applied to the article shall be deemed not to\napply to springs, winding bars, sleeves, crown cores, mechanical joint\npins, screws, rivets, dustbands, detachable movement rims, hat pin\nstems, bracelet and necklace snap tongues. In addition, in the event\nthat an article is marked under the last paragraph of the preceding\nsection, the quality mark applied to the article shall be deemed not to\napply to pin tongues, joints, catches, lapel button backs and the posts\nto which they are attached, scarf pin stems, hat pin sockets, shirtstud\nbacks, vest button backs and ear screw backs, provided such parts are\nmade of the same quality of gold as is used in the balance of this\narticle.\n