According to The “Local Rules” Of Golf ...
http://www.badgolfer.com/departments/features/local-golf-rules.htm
Golf Courses In Tibet - “Golfers using yaks, sherpas, donkeys, monks, or any other type of dung producing mammal as a caddy, are responsible to clean up after their hired help. (This would include raking hoof prints, removing hairballs off greens and fairways, bagging waste, etc.)”