under such arrangement the agency provides reimbursement to the Commissioner of Social Security for—
(i)#
the agency’s proportional share (as determined by the Commissioner in consultation with the head of the agency) of—
(I) the payments to States required under paragraph (2)(A);
(II) the costs to the Commissioner of developing the contracts described in paragraph (1); and
(III) the costs to the Commissioner of carrying out the study required under section 802 of division FF of the Consolidated Appropriations Act, 2021; and
(i)(I)#
the payments to States required under paragraph (2)(A);
(i)(II)#
the costs to the Commissioner of developing the contracts described in paragraph (1); and
(i)(III)#
the costs to the Commissioner of carrying out the study required under section 802 of division FF of the Consolidated Appropriations Act, 2021; and
(ii)#
the full documented cost to the Commissioner of developing such arrangement and transmitting such information to the agency; and