State and municipal law (City of Middleton Code - Chapter 7) requires that all dogs five months and older be licensed with the city... More… State and municipal law (City of Middleton Code - Chapter 7) requires that all dogs five months and older be licensed with the city each calendar year. If you are licensing your dog for the first time or you have recently vaccinated your dog, a rabies certificate must be presented at the time of licensing.Less…