The city council shall review, consider and adopt the tentative budget at any regular or special meeting called for the purpose. The tentative budget may be amended or revised in such manner as is deemed advisable prior to public hearing; provided, that no appropriation required for debt retirement and interest, reduction of any existing deficits, or otherwise required by law or ordinance, may be reduced below the minimum required. (Ord. 2012-30, 10-2-2012)