No service of notice shall be required upon any person who shall file with the auditor a statement in writing, signed by the person, waiving notice, or who enters an appearance in the proceedings. The filing of a claim for damages or objections to the establishment of said district or other pleading shall be deemed an appearance. [S13, §1989-a3; C24, 27, 31, 35, 39, § 7444; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §455.24 ] 89 Acts, ch 126, §2 CS89, §468.18 Referred to in §468.20 , 468.45 , 468.65 , 468.126 , 468.132 , 468.134 , 468.207 , 468.265