[ In developing the annual budget bill submitted pursuant to § 2.2-1509, Code of Virginia, including any amendments to a general appropriation act pursuant to such section, "Nonrecurring expenditures" shall mean only the acquisition or construction of capital outlay projects as defined in § 2.2-1518, Code of Virginia, the acquisition or construction of capital improvements, the acquisition of land, the acquisition of equipment, or other expenditures of a one-time nature as specified in the general appropriation act. Such term shall not include any expenditures relating to transportation, including but not limited to transportation maintenance. ]