Wis. Stat. § 227.23: Forms.

A form imposing a requirement which meets the definition of a rule shall be treated as a rule for the purposes of this chapter, except that:

(1) Its promulgation need not be preceded by notice and public hearing.

(2) It need not be promulgated by the board or officer charged with ultimate rule-making authority but may be promulgated by any employee of the agency authorized by the board or officer.

(3) It need not be published in the code and register in its entirety, but may be listed by title or description together with a statement as to how it may be obtained.