(a) The commissioner may conduct investigations and hold hearings on any matter under the provisions of sections 20-341s to 20-341bb, inclusive. The commissioner may issue subpoenas, administer oaths, compel testimony and order the production of books, records and documents. If any person refuses to appear, to testify or to produce any book, record, paper or document when so ordered, upon application of the commissioner, a judge of the Superior Court may make such order as may be appropriate to aid in the enforcement of this section.

(b) The Attorney General, at the request of the commissioner, is authorized to apply in the name of the state of Connecticut to the Superior Court for an order temporarily or permanently restraining and enjoining any contractor from violating any provision of sections 20-341s to 20-341bb, inclusive.