From the effective date of the budget, the several amounts stated therein as proposed expenditures shall be and become appropriated to the several departments, offices and agencies for the respective objects and purposes therein named, provided, however, that the City Manager may transfer funds from one object or purpose to another within the same department, office or agency. All appropriations shall lapse at the end of the fiscal year to the extent that they shall not have been expended or lawfully encumbered.
At any public meeting after the adoption of the budget, the City Council may amend or supplement the budget by motion adopted by the affirmative votes of at least a majority of the total members of the City Council.