Cal. Bus. & Prof. Code § 19596.1
(a) Notwithstanding any other law, the board may authorize a harness or quarter horse association conducting a race meeting to accept wagers on the results of out-of-state or out-of-country harness or quarter horse races and, with the board’s approval and with the concurrence of the horsemen’s and horsewomen’s organization contracting with the association, other designated harness or quarter horse races during the period it is conducting the racing meeting, if all of the following conditions are met:
(c) Notwithstanding any other law, wagering on a nightly program of out-of-country harness racing from a single racetrack, regardless of the number of those races, may be accepted if all of the following conditions are met:
(4)