Wis. Admin. Code Department of Natural Resources NR 40.045
Under s. 23.22(2t) (a), Stats., the department may promulgate an emergency rule to identify, classify, or control an invasive species and is not required to provide evidence that such a rule is necessary for the preservation of public peace, health, safety, or welfare or to provide a finding of emergency for such a rule. An emergency rule promulgated under s. 23.22(2t) (a), Stats., remains in effect for 24 months or until the repeal of the emergency rule, or until the effective date of the permanent rule identifying, classifying, or controlling the invasive species, whichever occurs first.