 This means skydivers and skydiving companies that wish to be members of the CSPA have to adhere to established Basic Safety Rules throughout their parachuting career.Such Rules include minimum opening altitudes for certain levels of experience; mandatory equipment; clear weather conditions for jumping, reserve repack due dates, general operational requirements and so on.These Basic Safety Rules greatly reduce the risk of accidents for individual skydivers, skydiving companies, and the sport as a whole.