Wis. Stat. § 69.09: Corrections prior to filing.

If prior to filing a vital record a local registrar determines that the record has an omission or error in information, the local registrar shall return the record to the filing party for correction or replacement, except as provided under s. 69.10 (2). The filing party shall correct or replace any such record within 5 working days after it is received by the filing party.