Upon petition and proper showing made, that naturalization papers, or written 4891.345 PRESUMPTIONS records thereof, have been lost or destroyed, the circuit court of the county in which the petitioner resides may make an order that the petitioner is a citizen of the United States. Any such order or certified copy thereof shall be prima facie evidence of such citizenship.
Wis. Stat. § 891.345
Establishment of citizenship
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.