(a) In a proceeding under this chapter, 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 complaint or comparable pleading. Unless otherwise ordered under AS 25.25.312, or otherwise prohibited by law, the complaint or comparable pleading or accompanying documents must provide, so far as known, the name, residential address, and social security numbers of the obligor and the obligee or the parent and the 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 complaint or comparable pleading must be accompanied by a copy of any support order known to have been issued by another tribunal. The complaint or comparable pleading may include other information that may assist in locating or identifying the respondent.
(b) The complaint or comparable pleading must specify the relief sought. The complaint or comparable pleading 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.