Determinations of need and certification thereof shall be valid for 1 year. The review board, for good cause shown and not otherwise, may, in writing, grant an extension of the period of validity. Such determinations of need shall be valid only for the scope of the project for which made and only for the estimated range of capital expenditures approved. Any proposed changes to a project given a determination of need which exceeds 10% of the original estimated project costs shall require review and approval of the review board unless such change order exceeds $100,000, or $50,000 for equipment only, in which case the proposed change shall require a standard review application and a determination of need just as if such proposed change was a new project.History: Rule 8-79, eff 16 Jul 79, Det. of Need Rules and Proc. § 27.