; fees The Administrator may not charge any interest or fees for a loan made under this section. (e) Collateral The Administrator shall not decline to make a loan under this section to an otherwise eligible borrower due solely to inadequate collateral. The Administrator shall accept any available collateral, including subordinated liens, to secure a loan made under this section. (f) Sunset (1) In general Except as provided in paragraph (2), the Administrator of the Small Business Administration may not make a loan under this section after September 30, 2022. (2) Extension The Administrator may extend authority to make loans under this section by an additional 6 months by notifying Congress, in writing, within 10 calendar days before any extension. (g) Emergency rulemaking authority (1) In general Within 15 days after the date of the enactment of this section, the Administrator of the Small Business Administration— (A) shall issue rules to carry out this section; and (B) may issue rules to establish a secondary market for loans made under this section. (2) Notice The notice requirements of section 553(b) of title 5, United States Code shall not apply to any issuance of rules under paragraph (1). (h) Authorization of appropriations There is authorized to be appropriated to the Administrator of the Small Business Administration such sums as may be necessary to pay for the cost of making $25,000,000,000 in direct loans under this section. In the previous sentence, the cost of direct loans shall be as defined in section 502 of the Congressional Budget Act of 1974 ( 2 U.S.C. 661a ).