(a) It is unfair or deceptive to mark, describe, or otherwise represent all or part of an industry product as ``Pewter'' or any abbreviation if such mark or description misrepresents the product's true composition.
(b) An industry product or part thereof may be described or marked as ``Pewter'' or any abbreviation if it consists of at least 900 parts per 1000 Grade A Tin, with the remainder composed of metals appropriate for use in pewter.