California Codes, Business and Professions Code - BPC, Division 8 — Special Business Regulations, Chapter 12 — Precious Metal Marking, Article 2 — The Platinum Group, Section 22129
Abbreviations. Whenever provided for in this article, and except as specifically excepted in paragraph (d) of Section 22128:
(a) The word “platinum” may be applied by spelling it out in full or by the abbreviation “plat.”
(b) The word “iridium” may be applied by spelling it out in full or by the abbreviation “irid.”
(c) The word “palladium” may be applied by spelling it out in full or by the abbreviation “pall.”
(d) The word “ruthenium” may be applied by spelling it out in full or by the abbreviation “ruth.”
(e) The word “rhodium” may be applied by spelling it out in full or by the abbreviation “rhod.” and
(f) The word “osmium” may be applied by spelling it out in full or by the abbreviation “osmi.”.
Notes
Allows the article's named precious metals, where abbreviations are permitted and except for the referenced specific exception, to be marked either by their full names or stated abbreviations: 'plat.' for platinum, 'irid.' for iridium, 'pall.' for palladium, 'ruth.' for ruthenium, 'rhod.' for rhodium, and 'osmi.' for osmium.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 22129 | https://laws.lexinter.net/codes/california/business-and-professions-code/division-8/chapter-12/article-2/section-22129