California Codes, Business and Professions Code - BPC, Division 8 — Special Business Regulations, Chapter 2 — Boxing, Wrestling, and Martial Arts, Article 8 — Amateur Boxing, Section 18750
No person shall appear as a contestant in any amateur boxing contest who has received any compensation or reward, except for actual expenses or trophies, in any form, for displaying, exercising, or giving any example of his or her skill in knowledge of boxing exercises, or for rendering services of any kind to any boxing organization, or to any person or persons as trainer, coach, instructor or otherwise, or who shall have been employed in any manner professionally by reason of his or her boxing skill or knowledge.
Notes
Prohibits a person from competing in amateur boxing if the person has received compensation or reward, other than actual expenses or trophies, for displaying boxing skill or knowledge, providing services to a boxing organization or as trainer, coach, instructor, or otherwise, or being professionally employed because of boxing skill or knowledge.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 18750 | https://laws.lexinter.net/codes/california/business-and-professions-code/division-8/chapter-2/article-8/section-18750