1970—Subsec. (b). Pub. L. 91–560 substituted provisions authorizing the issue of licenses for utilization or production facilities for industrial or commercial purposes (i) where specifically authorized by law or (ii) where the facility was constructed or operated under an arrangement with the Commission entered into under the cooperative power reactor demonstration program, and the applicable statutory authorization does not require licensing under section 2133, or (iii) where the facility was theretofore licensed under section 2134 (b), for provisions authorizing the issue of licenses for utilization and production facilities involved in the conduct of research and development activities leading to the demonstration of the practical value of such facilities for industrial and commercial purposes.