All notices in this chapter required to be given shall be in writing, and return of service thereof made in the same manner as notices in actions before a judicial magistrate. [C97, §2360; C24, 27, 31, 35, 39, § 1837; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §113.9 ] C93, §359A.9 Service and return, R.C.P. 1.302 – 1.315