Any breach by a credit services business of a contract under this subtitle, or of any obligation arising under it, shall constitute a violation of this subtitle. Any contract for services from a credit services business that does not comply with the applicable provisions of this subtitle shall be void and unenforceable as contrary to the public policy of this State. Any waiver by a consumer of any of the provisions of this subtitle shall be deemed void and unenforceable by a credit services business as contrary to the public policy of this State; and Any attempt by a credit services business to have a consumer waive rights given by this subtitle shall constitute a violation of this subtitle. In any proceeding involving this subtitle, the burden of proving an exemption or an exception from a definition is upon the person claiming it.