If the action is instituted upon complaint of citizens, and it appears to the court that there was no reasonable cause for filing the complaint, such expense may be taxed as costs against the complaining parties.
Iowa Code § 66.24
Want of probable cause
[S13, §1258-i; C24, 27, 31, 35, 39, §1112; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §66.24]
Official source: Iowa Legislature. Reproduced from public-domain Iowa statutes; confirm against the official source for the current text. Not legal advice.