Wis. Stat. § 178.0108: Signing of records to be delivered for filing to the department.

(1) A record delivered to the department for filing pursuant to this chapter must be signed as follows:

(a) Except as otherwise provided in pars. (b) and (c), a record signed by a partnership must be signed by a person authorized by the partnership.

(b) A record filed on behalf of a dissolved partnership that has no partner must be signed by the person winding up the partnership’s business under s. 178.0802 (4) or a person appointed under s. 178.0802 (5) to wind up the business.

(c) A statement of denial by a person under s. 178.0304 must be signed by that person.

(d) Any record not identified in pars. (a) to (c) that is delivered on behalf of a person to the department for filing must be signed by that person.

(2) A record filed under this chapter may be signed by an attorney-in-fact. Whenever this chapter requires a particular individual to sign a record and the individual is deceased or incompetent, the record may be signed by a legal representative of the individual.

(3) A person that signs a record as an attorney-in-fact or legal representative affirms as a fact that the person is authorized to sign the record.