1. Approval authority. The commissioner must approve each nonstate funded project.
2. Rules. The commissioner may adopt or amend rules relating to the approval of nonstate funded projects.
3. Local vote. Prior to approval by the commissioner, each nonstate funded project, except a municipal school construction project pursuant to subsection 4, must receive a favorable vote in accordance with section 15904, except that section 15904, subsection 4 does not apply.
4. Municipal schools. In a municipal school unit where the responsibility for final adoption of the school budget is vested in the municipal council by municipal charter, a nonstate funded project may be approved without a referendum vote if the charter does not require a referendum.