A bond of any issue may not be held invalid because of any defect or failure to comply with a statutory provision relating to the authorization, issuance, or sale of the bonds unless an action to contest the validity of the bonds is brought within 30 days after the date of the adoption of the resolution calling for the sale of bonds of the school district.
Mont. Code Ann. § 20-9-464
Statute of limitations -- action to test validity
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.