For purposes of sections 72-811 to 72-818:

(1) Committee shall mean the Vacant Building and Excess Land Committee;

(2) Excess, referring to land, shall mean (a) unused in whole or in part by any state agency for the purposes for which the land was acquired or received or (b) without current defined plans by any state agency for the use of the land for the agency's mission for the next fiscal year; and

(3) Vacant, referring to buildings, shall mean (a) unoccupied, (b) unused in whole or in part by any state agency for the purposes for which the building was designed, intended, or remodeled, or (c) without current defined plans by any state agency for the use of the building for the agency's mission for the next fiscal year.