Wyo. Stat. § 20-4-161 (2026)

(a) In a proceeding under this act, a petitioner seeking
to establish a support order, to determine parentage of a child
or to register and modify a support order of a tribunal of
another state or a foreign country shall file a petition.
Unless otherwise ordered under W.S. 20-4-162, the petition or
accompanying documents shall provide, so far as known, the name,
residential address and social security numbers of the obligor
and the obligee or the parent and alleged parent, and the name,
sex, residential address, social security number and date of
birth of each child for whose benefit support is sought or whose
parentage is to be determined. Unless filed at the time of
registration, the petition shall be accompanied by a copy of any
support order known to have been issued by another tribunal. The
petition or accompanying documents may include any other
information that may assist in locating or identifying the
respondent.

     (b) The petition shall specify the relief sought. The
petition and accompanying documents shall conform substantially
with the requirements imposed by the forms mandated by federal
law for use in cases filed by a support enforcement agency.