The department may suspend, revoke, or refuse to renew or grant a license issued or applied for under this chapter if the licensee or applicant or a partner, associate, or major stockholder of a collection agency has since the date of the application been disbarred from the practice of law or been convicted of fraud, embezzlement, obtaining money under false pretenses, a crime involving moral turpitude, extortion, conspiracy to defraud, violation of a provision of this chapter, or violation of a regulation adopted under authority of this chapter.