A. The unexpended balances of a capital outlay appropriation made after January 1, 2007 from the general fund to the department or to the aging and long-term services department for projects located on lands of an Indian nation, tribe or pueblo shall revert to the project fund.
B. For the purpose of this section, "unexpended balance" means the remainder of an appropriation after reserving for unpaid costs and expenses covered by binding written obligations to third parties.