extent and in the same manner as that subsection applies to the estimate under that subsection relating to officers, governing board members, employees, and contractors of entities described in subsection (g)(4). (C) Transfers Not later than December 31 of each fiscal year, the Secretary shall transfer from the fund under subsection (k)(2) to the appropriate accounts in the Treasury an amount equal to the estimate made under subparagraph (B) for the calendar year beginning in that fiscal year, subject to the extent of amounts in the fund. (5) Definitions (A) IHS urban Indian health program In this subsection, the term IHS urban Indian health program means an urban Indian health program operated by an urban Indian organization pursuant to a grant or contract with the Indian Health Service under title V of the Indian Health Care Improvement Act ( 25 U.S.C. 1651 et seq.). (B) Service unit In this subsection, the term Service unit has the meaning given the term in section 4 of the Indian Health Care Improvement Act ( 25 U.S.C. 1603 ). (6) Rule of construction Nothing in this subsection may be construed— (A) to negatively impact the right of an Indian Tribe to enter into a compact or contract under the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 et seq.)