; and (B) any additional administrative expenses incurred by the State by reason of such agreement (as determined by the Secretary). (2) Terms of payments Payments made to a State under paragraph (1) shall be payable by way of reimbursement in such amounts as the Secretary estimates the State will be entitled to receive under this section for each calendar month, reduced or increased, as the case may be, by any amount by which the Secretary finds that the Secretary’s estimates for any prior calendar month were greater or less than the amounts which should have been paid to the State. Such estimates may be made on the basis of such statistical, sampling, or other method as may be agreed upon by the Secretary and the State agency of the State involved. (3) Funding There are appropriated, out of moneys in the Treasury not otherwise appropriated, such sums as may be necessary for purposes of carrying out this section. (4) Certifications The Secretary shall from time to time certify to the Secretary of the Treasury for payment to each State the sums payable to such State under this section. (d) Applicability (1) In general An agreement entered into under this section shall apply to weeks of unemployment— (A) beginning on or after the date on which such agreement is entered into; and (B) ending on or before the date that is 2 years and 13 weeks after the date of the enactment of this Act. (2) Two-year funding limitation States may receive payments under this section with respect to a total of not more than 104 weeks. (e) Special rule If a State has entered into an agreement under this section and subsequently enacts a State law providing for the payment of short-time compensation under a short-time compensation program that meets the definition of such a program under section 3306(v) of the Internal Revenue Code of 1986, the State— (1) shall not be eligible for payments under this section for weeks of unemployment beginning after the effective date of such State law