; or (C) $12,000,000. (2) Supplemental grants A grant under subsection (b)(2) shall be in the amount equal to 50 percent of the grant received by the eligible operator, promoter, producer, or talent representative under subsection (b)(1). (d) Use of funds (1) Timing (A) Expenses incurred (i) In general Except as provided in clause (ii), amounts received under a grant under this section may be used for costs incurred during the period beginning on March 1, 2020, and ending on December 31, 2021. (ii) Extension for supplemental grants If an eligible operator, promoter, producer, or talent representative receives a grant under subsection (b)(2), amounts received under either grant under this section may be used for costs incurred during the period beginning on March 1, 2020, and ending on June 30, 2022. (B) Expenditure (i) In general Except as provided in clause (ii), an eligible operator, promoter, producer, or talent representative shall return to the Administrator any amounts received under a grant under this section that are not expended on or before the date that is 1 year after the date of disbursement of the grant. (ii) Extension for supplemental grants If an eligible operator, promoter, producer, or talent representative receives a grant under subsection (b)(2), the eligible operator, promoter, producer, or talent representative shall return to the Administrator any amounts received under either grant under this section that are not expended on or before the date that is 18 months after the date of disbursement to the eligible operator, promoter, producer, or talent representative of the grant under subsection (b)(1). (2) Allowable expenses An eligible operator, promoter, producer, or talent representative may use amounts received under a grant under this section for— (A) payroll costs for employees and furloughed employees, including— (i) costs for continuation coverage provided pursuant to part 6 of subtitle B of title I of the Employee Retirement Income Security Act of 1974 (other than under section 609 of