Except as otherwise provided in section 598B.311 , the petition and order must be served, by any method authorized by the law of this state, upon the respondent and any person who has physical custody of the child. 99 Acts, ch 103, §31
Service of petition and order.
Iowa Code § 598B.309, under UNIFORM CHILD-CUSTODY JURISDICTION AND ENFORCEMENT.
Iowa Code § 598B.309