Wis. Stat. § 440.51
Any ex-soldier of the United States in any war, who has a 25 percent disability or more or has a cardiac disability recognized by the U.S. department of veterans affairs, and any person disabled to the extent of the loss of one arm or one leg or more or who has been declared blind as defined under Title XVI of the social security act, shall, upon presenting the department proof of these conditions, be granted a special statewide peddler's license without payment of any fee. The person must have been a bona fide resident of this state for at least 5 years preceding the application. While engaged in such business the person shall physically carry the license and the proof required for its issuance. A blind person shall also carry an identification photograph which is not more than 3 years old. A license issued under this section shall not entitle a blind person to peddle for hire for another person. A license issued under this section is permanent unless suspended or revoked by the department.
Wis. Stat. § 440.51