CITIES AND TOWNS ‑- FIRE PROTECTION DISTRICTS ‑- AGREEMENT FOR MUTUAL FIRE PROTECTION ‑- FUND INTO WHICH MONEY PAID BY DISTRICT MUST BE PLACED Where a city and a fire protection district have an agreement for mutual fire protection under the terms of which the district agrees, in part, to pay the city a sum equivalent to the salary of one full-time fireman and an additional sum equal to the salary of one full-time fireman‑-this money must be paid into the current expense fund (if the city has not established a payrolls fund).