Combination of pari-mutuel betting into single pool.

(b) The commissioner may permit all pari-mutuel betting conducted at any facility conducting betting under a pari-mutuel system within the state which is based on the results of any event which occurs at such facility, to be combined with the betting on such event at another facility where pari-mutuel betting is conducted, whether such facility is within or without the state, as a single pool for each event.