The National Show Ski Association’s 2021 Rule Book has been revised as of July 15, 2021 and is now available to view and download.
Rule 4.06 in the Individual competition portion of the rule book is updated to allow for the intermediate freestyle category.
2021 NSSA Rule Book (PDF).
Please note that in the rules there may be references to water depths, lengths, distances, protective gear, procedures, etc. for safe skiing. The NSSA makes no guarantee, implicit or explicit, that conforming to the references will eliminate all possible safety hazards.