Albert Lea, Minn., Code of Ordinances ch. 26, art. II § 26.024

(a) It is unlawful for any person, as the owner, manager, or other person having control of any dwelling unit, to lease, rent, offer for rent or lease, or permit to be leased, or permit the occupancy of any dwelling unit, as defined in this article, within the city without first having obtained a rental housing license for such dwelling unit as hereafter provided.
(b) It shall be unlawful for any person to occupy a dwelling unit within the city that is found to be in violation of this article.
(c) A rental housing license shall be required in the following situations:
(1) A dwelling unit is rented or leased, as defined by this article;
(2) A dwelling unit is not occupied by the owner, but has one (1) or more occupants that at are unrelated to the owner of said unit; or
(3) A dwelling unit is not occupied by the owner, but has an occupant related by blood to the owner and more than one (1) occupant that is unrelated to the owner.
(d) Licensing of owner occupied dwelling units. A license is required if a dwelling unit is occupied by the owner and rented or leased by more than one (1) occupant unrelated to the owner. An owner occupying a dwelling unit with more than one (1) unrelated occupant shall not be required to obtain a rental license provided the property is not rented or leased, as defined by this article.
(e) For the purposes of determining occupancy for rental purposes, the following standards shall apply:
(1) A guest may occupy a licensed or unlicensed dwelling unit provided the guest does not reside in the dwelling unit for more than ten (10) days within a consecutive thirty (30) day period and the guest has a documented permanent residence other than the dwelling unit in which they are considered a guest.
(2) The occupancy of a dwelling unit shall comply with the occupancy restrictions of the residential districts as stated in this chapter and chapter 50 , zoning.