A person holding a valid license issued in due course by virtue of the provisions of an act entitled "An act to regulate the practice of chiropractic," approved March third, one thousand nine hundred and twenty (L.1920, c. 4, p. 15), or any acts supplementary thereto or amendatory thereof, shall be authorized to continue to practice pursuant to said license as though the act under which said license had been issued had not been repealed.
N.J.S. § 45:9-14.6