Relating to revenue estimates; declaring an emergency; providing for revenue estimate modification that requires approval by a two-thirds majority.

Increases the amount of the estimate of revenues that will be received from General Fund revenue sources other than corporate income and excise taxes for the biennium beginning July 1, 2023. Requires that the difference between the amount actually collected and the amount estimated after the close of the 2023 regular session be used for disaster preparedness and for application against unfunded actuarial liability of the Public Employees Retirement System. Provides for the return to taxpayers of surplus revenue over the adjusted estimate amount if the constitutional threshold is exceeded.