(1) The commissioner may deny an application for, refuse to renew, revoke, or suspend a license or certificate or place a licensee or certificate holder on probation, if such person has:

(a) Violated any provision of this article or of any rule adopted by the commissioner under this article;

(b) Been convicted of a felony under any state or federal law; except that, in considering a conviction of a felony, the commissioner shall be governed by section 24-5-101, C.R.S.;

(c) Committed fraud or deception in the procurement or attempted procurement of a license or certificate;

(d) Failed to comply with a lawful order of the commissioner concerning the administration of this article;

(e) Been convicted of deceptive trade practices under any state or federal law;

(f) Used a commercial weighing or measuring device or moisture-testing device in deceptive trade practices in violation of any state or federal law.

(2) All proceedings concerning the denial, refusal to renew, revocation, or suspension of a license or certificate or the placing of a licensee or certificate holder on probation shall be conducted pursuant to article 4 of title 24, C.R.S.

(3) Any previous violation of this article by an applicant or associate of the applicant shall be sufficient grounds for denial of a license. For purposes of this subsection (3), "associate" means:

(a) A person associated with the applicant in the business for which such applicant seeks to be licensed or certified;

(b) A partner, officer, director, or stockholder of more than thirty percent of the outstanding shares of a partnership or corporation, when such partnership or corporation is the applicant.