Iowa Code Title VIII. Transportation [Chs. 306-330B] § 327C.18. Time may be extended to test legality

The time for the taking effect of any rule, order, or regulation affecting public rights, made by the department, may, in its discretion, be extended; and said extension of time may be granted for the purpose of testing the legality thereof, upon application by any such aggrieved railroad, showing reasonable grounds therefor, and that said application is made in good faith and not for the purpose of delay.