The purchase price or compensation for real or other property acquired in accordance with ORS 836.215 and the cost and expenses for the development, improvement, maintenance and operation of airports, may be paid for by appropriation of moneys available; or entirely or in part from the proceeds of the sale of bonds of the municipality, as the governing body of the municipality may determine, subject, however, to the authorization therefor at a regular or special election, if such authorization is a prerequisite to the issuance of bonds of the municipality for public purposes generally.
ORS 836.220