Locally it depends on the course. Our 2 easier courses, cali only pays once, gets 1 extra shot per hole, and gets full payout. On our harder course, cali has the option to pay double, if he/she pays double they get 2 shots per lie and full payout.
If we use an A/B pool to do a Pro/Am draw, it gets MORE complicated. Long tees, cali comes from the pro side, shorts, ams.