Notwithstanding the existence or use of any other remedy, whenever any person has engaged in, or is about to engage in, any acts or practices which constitute or will constitute a violation of any provision of this chapter, or any rule, regulation, or order issued thereunder, the attorney general upon the request of the agency, after notice to such person and opportunity to comply, may make application to the appropriate court for an order enjoining such acts or practices, or for an order directing compliance, and upon a showing by the agency that such person has engaged in, or is about to engage in, any such acts or practices, a permanent or temporary injunction, restraining order, or other order may be granted.