§ 22-b. Chairman of assessors; designation; duties and compensation. The town board of any town having more than one assessor may establish the office of chairman of town assessors and at its first meeting in each year designate one of such assessors to be chairman until the first day of January next succeeding such designation. The chairman of town assessors, in addition to his regular duties, shall perform such services in connection with the assessment and taxation of property for state, county and town purposes as the town board shall direct. The town board shall fix the compensation of the person designated chairman of town assessors for all services rendered to the town, both as town assessor and as chairman.