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Over the last decade large safety improvements have been made in crash protection for motorsports drivers. It has been well established that in side and rear impacts the driver seat provides the primary source for occupant retention and restraint. Beginning in the 2015 season, NASCAR®'s (National Association for Stock Car Auto Racing, Inc) Sprint Cup Series will require driver seats which have all seat belt restraint system anchorage locations integrated internally to the seat with a minimum of seven anchorage locations. This paper describes the development of the quasi-static test for the seat integrated seat belt restraint system portion of the NASCAR Seat Submission and Test Protocol Criteria. It reviews the methodology used to develop the testing including the developmental dynamic sled tests.