A party or support enforcement agency seeking to modify, or to modify and enforce, a foreign child support order not under the convention may register that order in this state under ss. 769.601 to 769.608 if the order has not been registered. A petition for modification may be filed at the same time as a request for registration, or at another time. The petition must specify the grounds for modification.
Wis. Stat. ยง 769.616
This section is created by 2009 Wis. Act 321 effective the date stated in the notice published in the Wisconsin Administrative Register under s. 769.904.