In the administration of this act, the Attorney General may accept an assurance of voluntary compliance with respect to any method, act or practice deemed to be violative of the act from any person who has engaged or was about to engage in the method, act or practice. The assurance may include a stipulation for voluntary payment by the alleged violator providing for the restitution by the alleged violator to individuals of money or other things received from them in connection with a violation of this act. Any assurance shall be in writing and be filed with the court. The assurance of voluntary compliance shall not be considered an admission of violation for any purpose. Matters thus closed may at any time be reopened by the Attorney General for further proceedings in the public interest, pursuant to section 5.¹