; (B) payments of principal or interest on any mortgage obligation; (C) rent payments, including rent under a lease agreement; (D) utilities; (E) maintenance, including construction to accommodate outdoor seating; (F) supplies, including protective equipment and cleaning materials; (G) food and beverage; (H) debt obligations to suppliers that were incurred before the covered period; and (I) any other expenses that the Secretary determines to be essential to maintaining the eligible entity. (2) Returning funds If an eligible entity that receives a grant under this section permanently ceases operations on or before December 31, 2020, the eligible entity shall return to the Treasury any funds that the eligible entity did not use for the allowable expenses under paragraph (1). (3) Conversion to loan Any grant amounts received by an eligible entity under this section that are unused after December 31, 2020, shall be immediately converted to a loan with— (A) an interest rate of 1 percent; and (B) a maturity date of 10 years. (g) Taxability For purposes of the Internal Revenue Code of 1986— (1) the amount of a grant awarded to an eligible entity under this section shall be excluded from the gross income of the eligible entity; (2) no deduction shall be denied or reduced, no tax attribute shall be reduced, and no basis increase shall be denied, by reason of the exclusion from gross income provided by subsection