; and (B) all information that the Secretary considers necessary to adequately identify all outstanding covered bonds issued under the covered bond program (including the reports described in paragraphs (3) and (4) of subsection (b)). (4) Fees Each covered bond regulator may levy, on the issuers of covered bonds under the primary supervision of such covered bond regulator, reasonably apportioned fees that such covered bond regulator considers necessary, in the aggregate, to defray the costs of such covered bond regulator carrying out the provisions of this subtitle. Such funds shall not be construed to be Government funds or appropriated monies and shall not be subject to apportionment for purposes of chapter 15 of title 31, United States Code, or any other provision of law. (b) Minimum over-Collateralization requirements (1) Requirements established The Secretary, by rule and in consultation with the covered bond regulators, shall establish minimum over-collateralization requirements for covered bonds backed by each of the eligible asset classes. The minimum over-collateralization requirements shall be designed to ensure that sufficient eligible assets and substitute assets are maintained in the cover pool to satisfy all principal and interest payments on the covered bonds when due through maturity and shall be based on the credit, collection, and interest rate risks (excluding the liquidity risks) associated with the eligible asset class. (2) Asset coverage test The eligible assets and the substitute assets in any cover pool shall be required, in the aggregate, to meet at all times the applicable minimum over-collateralization requirements. (3) Monthly reporting On a monthly basis, each issuer of covered bonds shall submit a report on whether the cover pool that secures the covered bonds meets the applicable minimum over-collateralization requirements to— (A) the Secretary; (B) the applicable covered bond regulator; (C) the applicable indenture trustee; (D) the applicable covered bondholders