 Is not controlled directly or indirectly by one or more disqualified persons (as defined in 26 USCA 4946) other than foundation managers and other than one or more organizations described in paragraph 509(a)(1) or (2)

This requirement provides prophylactic protection against self-dealing, a potential abuse.Some donors try to engage in self-dealing activities in order to maintain control over their assets by controlling the supporting or supported organizations.This requirement curbs nearly every possible way a donor may exert control over the organizations and their assets.