The fund shall be used, from time to time, for the construction, reconstruction, purchase or replacement of, or addition to, municipal buildings, public works, equipment, machinery, motor vehicles or other capital assets. Expenditures shall be made from the fund only in accordance with an appropriation made pursuant to the annual budget.
If a municipality accumulates its capital reserve fund for more than two years, the proceeds of the fund shall be transmitted to the state sinking fund commission on or before the first day of September of each year. The proceeds of the fund may be withdrawn by the municipality upon reasonable notice in writing to the state sinking fund commission.