scope:

Scope and application.

(a) The guides in this part apply to jewelry industry products, which include, but are not limited to, the following: Gemstones and their laboratory- created and imitation substitutes; natural and cultured pearls and their imitations; and metallic watch bands not permanently attached to watches. These guides also apply to articles, including optical frames, pens and pencils, flatware, and hollowware, fabricated from precious metals (gold, silver, and platinum group metals), precious metal alloys, and their imitations. These guides also apply to all articles made from pewter. For the purposes of these guides, all articles covered by these guides are defined as ''industry products.''

(b) These guides apply to persons, partnerships, or corporations, at every level of the trade (including but not limited to manufacturers, suppliers, and retailers) engaged in the business of offering for sale, selling, or distributing industry products.