Conn. Gen. Stat. § 14-389
In the performance of his duties under sections 14-379 to 14-390, inclusive, the commissioner shall (1) prescribe uniform standards for such safety devices and equipment as he deems necessary and certify the types of devices and equipment which meet such standards and (2) promulgate such regulations respecting the registration, operation, sale and leasing of snowmobiles and all-terrain vehicles as he finds necessary for public safety. The commissioner may enter into reciprocal agreements with the commissioner of motor vehicles or other like authority of any other state for the purposes of carrying out the provisions of said sections.
Conn. Gen. Stat. § 14-389
(1969, P.A. 752, S. 12; 1971, P.A. 848, S. 13.)
See Secs. 23-26b, 23-26d and 23-26f re powers of Commissioner of Energy and Environmental Protection to regulate all-terrain vehicles operating on state land.