(1) A petitioner seeking to establish or modify a support order or to determine parentage in a proceeding under this act must verify the petition or comparable pleading. Unless otherwise ordered under s. 88.3121 (nondisclosure of information in exceptional circumstances), the petition or comparable pleading or the documents accompanying either the petition or comparable pleading must provide, so far as known, the name, residential address, and social security numbers of the obligor and the obligee, and the name, sex, residential address, social security number, and date of birth of each child for whom support is sought. The petition must be accompanied by a certified copy of any support order in effect. The petition may include any other information that may assist in locating or identifying the respondent.
(2) The petition must specify the relief sought. The petition and accompanying documents must conform substantially with the requirements imposed by the forms mandated by federal law for use in cases filed by a support enforcement agency.