(A) Any elected or appointed officer, deputy, assistant or employee of the municipality may attend, at the expense of the municipality, any conference or convention relating to municipal affairs, if authorized by the Mayor, the President of the Legislative Authority or the Administrator. If the fiscal officer of the municipality certifies that funds are appropriated and available for such purpose, such person shall be reimbursed for his or her expense so incurred.
(B) A request for such allowance shall be made in writing to the Mayor, the President of the Legislative Authority or the Administrator, showing the necessity for such attendance and an estimate of the costs thereof to the municipality.
(R.C. § 733.79)