California Codes, Business and Professions Code - BPC, Division 8 — Special Business Regulations, Chapter 4 — Horse Racing, Article 1 — General Provisions and Definitions, Section 19409.5
“Harness horse racing” is that form of horseracing in which “standardbred horses” as defined in Section 19409 are harnessed to a sulky or similar vehicle, and are raced at either the trotting or pacing gait.
Notes
Defines "harness horse racing" as horseracing in which standardbred horses, as defined by the referenced provision, are harnessed to a sulky or similar vehicle and race at either a trotting or pacing gait. The definition states no race-distance requirement, monetary threshold, licensing deadline, equipment exception, or alternative gait beyond trotting or pacing.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 19409.5 | https://laws.lexinter.net/codes/california/business-and-professions-code/division-8/chapter-4/article-1/section-19409-5