Iowa Admin. Code r. 876-4.25
An appeal to or review on motion of the workers' compensation commissioner must be filed within 20 days after the application for rehearing of a proposed decision by a deputy workers' compensation commissioner under rule 876-4.24 (17A,86) has been denied or deemed denied or a decision on rehearing has been issued. If a notice of appeal is filed by one party and an application for rehearing is filed by a different party, the deputy workers' compensation commissioner retains jurisdiction to act on the application for rehearing, and the notice of appeal is stayed and deemed to have been filed on the day after the application for rehearing is denied or deemed denied or the decision on rehearing is issued.
This rule is intended to implement Iowa Code sections 17A.15, 17A.16 and 86.24.
Iowa Admin. Code r. 876-4.25