Notwithstanding any other provision of law, the Secretary shall establish such qualifications for personnel providing evaluation and rehabilitation services to veterans under this chapter and for employees performing the functions described in
section 3106(f) of this title as the Secretary determines are necessary and appropriate to insure the quality of rehabilitation programs under this chapter. In establishing such qualifications, the Secretary shall take into account the qualifications established for comparable personnel under the Rehabilitation Act of 1973 (
29 U.S.C. ch. 16).