Except as provided in this section, section 16A.28 applies to appropriations made to the legislature, the senate, the house of representatives, or its committees or commissions. An appropriation made to the legislature, the senate, the house of representatives, or a legislative commission or committee other than a standing committee, if not spent during the first year, may be spent during the second year of a biennium. An unexpended balance not carried forward and remaining unexpended and unencumbered at the end of a biennium lapses and shall be returned to the fund from which appropriated. Balances may be carried forward into the next biennium and credited to special accounts to be used only as follows: (1) for nonrecurring expenditures on investments that enhance efficiency or improve effectiveness; (2) to pay expenses associated with sessions, interim activities, public hearings, or other public outreach efforts and related activities; and (3) to pay severance costs of involuntary terminations. The approval of the commissioner of management and budget under section 16A.28, subdivision 2, does not apply to the legislature. An appropriation made to the legislature, the senate, the house of representatives, or a standing committee for all or part of a biennium may be spent in either year of the biennium.