Nothing in the provisions of this chapter shall be construed to mean that the operator of a watercraft competing in a race or regatta or trials therefor, which has been duly authorized by an appropriate governmental agency or authority, or an operator engaged in industrial development and testing of experimental and production watercraft and vessels, shall be prohibited from attempting to obtain high speeds on duly designated and indicated racing or testing courses, nor while engaged in such racing or testing shall such watercraft or vessels be required to comply with BCC 12.04.080, 12.04.240 or 12.04.250. (1961 code § 13.09.240.)