If such boards shall fail to take action on the petition within the time prescribed in section 468.293, or fail to agree, the petitioners may cause the proceedings to be transferred to the district court of any of the counties into which such proposed district extends by serving notice upon the auditors of the several counties within ten days after the expiration of the twenty days' notice, or after the failure of the boards to agree.
Iowa Code § 468.294
89 Acts, ch 126, §2 2022 Acts, ch 1021, §119