. . . . "Failure to provide the Comptroller with timely prior notice is an intentional violation of this Act. (h) A trustee shall at least annually furnish to each purchaser a statement containing: (1) the receipts, disbursements, and inventory of the trust, including an explanation of any fees or expenses charged by the trustee under Section 5 of this Act or otherwise, (2) an explanation of the purchaser'" .