Conn. Gen. Stat. § 20-514: Grounds for refusal of certification or provisional license.

(a) No certification or provisional license, as the case may be, shall be denied by the commission under the provisions of sections 20-500 to 20-528, inclusive, to any applicant who has been convicted of forgery, embezzlement, obtaining money under false pretenses, extortion, criminal conspiracy to defraud, or other like offense or offenses, or to any association or partnership of which such person is a member, or to any corporation of which such person is an officer or in which as a stockholder such person has or exercises a controlling interest either directly or indirectly except in accordance with the provisions of section 46a-80.

(b) No certification or provisional license, as the case may be, shall be issued by the Department of Consumer Protection under the provisions of sections 20-500 to 20-528, inclusive, to any applicant (1) whose application for a certification or provisional license, as the case may be, has, within one year prior to the date of the applicant's application, been rejected in this state, in any other state or in the District of Columbia or (2) whose certification or provisional license, as the case may be, has, within one year prior to the date of the applicant's application, been revoked in this state, in any other state or in the District of Columbia.

(c) No certification or provisional license, as the case may be, shall be issued under the provisions of sections 20-500 to 20-528, inclusive, to any person who has not attained the age of eighteen years.