Appendix to Part 23 - Exemptions Recognized in the Assay for Quality of Gold Alloy, Gold Filled, Gold Overlay, Rolled Gold Plate, Silver, and Platinum Industry Products
16:1.0.1.2.12.0.5.30.1 :
Appendix to Part 23 - Exemptions Recognized in the Assay for
Quality of Gold Alloy, Gold Filled, Gold Overlay, Rolled Gold
Plate, Silver, and Platinum Industry Products
(a) Exemptions recognized in the industry and not to be
considered in any assay for quality of a karat gold industry
product include springs, posts, and separable backs of lapel
buttons, posts and nuts for attaching interchangeable ornaments,
bracelet and necklace snap tongues, metallic parts completely and
permanently encased in a nonmetallic covering, field pieces and
bezels for lockets, 38 and wire pegs or rivets used for applying
mountings and other ornaments, which mountings or ornaments shall
be of the quality marked.
38 Field pieces of lockets are those inner portions used as
frames between the inside edges of the locket and the spaces for
holding pictures. Bezels are the separable inner metal rings to
hold the pictures in place.
Note to Paragraph (a):
Exemptions recognized in the industry and not to be considered
in any assay for quality of a karat gold optical product include:
the hinge assembly (barrel or other special types such as are
customarily used in plastic frames); washers, bushings, and nuts of
screw assemblies; dowels; springs for spring shoe straps; metal
parts permanently encased in a non-metallic covering; and for
oxfords, 39 coil and joint springs.
39 Oxfords are a form of eyeglasses where a flat spring joins
the two eye rims and the tension it exerts on the nose serves to
hold the unit in place. Oxfords are also referred to as pince
nez.
(b) Exemptions recognized in the industry and not to be
considered in any assay for quality of a gold filled, gold overlay
and rolled gold plate industry product, other than watchcases,
include joints, catches, screws, pin stems, pins of scarf pins, hat
pins, etc., field pieces and bezels for lockets, posts and separate
backs of lapel buttons, bracelet and necklace snap tongues,
springs, and metallic parts completely and permanently encased in a
nonmetallic covering.
Note to Paragraph (b):
Exemptions recognized in the industry and not to be considered
in any assay for quality of a gold filled, gold overlay and rolled
gold plate optical product include: Screws; the hinge assembly
(barrel or other special types such as are customarily used in
plastic frames); washers, bushings, tubes and nuts of screw
assemblies; dowels; pad inserts; springs for spring shoe straps,
cores and/or inner windings of comfort cable temples; metal parts
permanently encased in a nonmetallic covering; and for oxfords, the
handle and catch.
(c) Exemptions recognized in the industry and not to be
considered in any assay for quality of a silver industry product
include screws, rivets, springs, spring pins for wrist watch
straps; posts and separable backs of lapel buttons; wire pegs,
posts, and nuts used for applying mountings or other ornaments,
which mountings or ornaments shall be of the quality marked; pin
stems (e.g., of badges, brooches, emblem pins, hat pins, and scarf
pins, etc.); levers for belt buckles; blades and skeletons of
pocket knives; field pieces and bezels for lockets; bracelet and
necklace snap tongues; any other joints, catches, or screws; and
metallic parts completely and permanently encased in a nonmetallic
covering.
(d) Exemptions recognized in the industry and not to be
considered in any assay for quality of an industry product of
silver in combination with gold include joints, catches, screws,
pin stems, pins of scarf pins, hat pins, etc., posts and separable
backs of lapel buttons, springs, bracelet and necklace snap
tongues, and metallic parts completely and permanently encased in a
nonmetallic covering.
(e) Exemptions recognized in the industry and not to be
considered in any assay for quality of a platinum industry product
include springs, winding bars, sleeves, crown cores, mechanical
joint pins, screws, rivets, dust bands, detachable movement rims,
hat pin stems, and bracelet and necklace snap tongues.