Wis. Stat. § 770.15: Forms.

(1) The application and declaration of domestic partnership under s. 770.07 and the notice of termination of domestic partnership and certificate of termination of domestic partnership under s. 770.12 shall contain such information as the state registrar of vital statistics determines is necessary. The form for the declaration of domestic partnership shall require both individuals forming a domestic partnership to sign the form and attest to satisfying all of the criteria under s. 770.05 (1) to (5).

(2) The state registrar of vital statistics shall prepare the forms under sub. (1) and distribute the forms in sufficient quantities to each county clerk.