Such person appointed or elected as assistant comptroller of the treasury shall possess all the qualifications required of the comptroller of the treasury and shall file such bond as is required to be filed by the comptroller of the treasury under the statutes, and shall take the oath of office prescribed by statute for the comptroller of the treasury, and shall serve only during the continuance of the emergency as determined by the governor and shall be paid such compensation as the governor may fix, but in no event shall the compensation so fixed exceed that prescribed by law for the duly elected comptroller of the treasury.