Conn. Gen. Stat. § 5-234
The Commissioner of Administrative Services may provide for the appointment, with or without examination, of qualified persons in a class in which the incumbent serves for not more than three years in the class as part of an established training program. Any person so appointed to a professional or preprofessional training class may, upon successful completion of the required minimum working test period and training program, be reclassified to a position in the next higher level class for which the training program is established. The provisions of this section shall not apply to sections 5-224 and 7-415 concerning the veterans preference.
Conn. Gen. Stat. § 5-234
(1967, P.A. 657, S. 43; 1969, P.A. 658, S. 11; P.A. 76-254, S. 5, 11; P.A. 77-248; 77-614, S. 67, 610; P.A. 92-19; 92-165, S. 24, 32; P.A. 96-168, S. 14, 34; P.A. 14-187, S. 45.)