CA AB1539

Establishes that a person becomes a participant in the jockey retirement plan when licensed as a jockey in California, rather than upon retirement.

Requires 50% of designated advance deposit wagering deductions (0.00295 multiplied by California-originating handle, capped at $2,000,000 for non-harness racing) to fund a defined contribution retirement plan for California-licensed jockeys administered jointly by the California Horse Racing Board and the organization representing California-licensed jockeys.

Allocates the remaining 50% of jockey retirement plan deductions to backstretch personnel pension plans (70%) and horsemen welfare funds (30%).

Makes grammatical and technical amendments to Section 19604 of the Business and Professions Code, including changing "any" to "a" throughout the statute and correcting references to "Pacific standard time."