The Arizona Department of Revenue (Department or ADOR) administers the property tax system in cooperation with the 15 county assessors, among others. The following 17-step business licensing process was created and developed as a guide to assist City of Tucson business license applicants in successfully.Obtain notarized proof of the property owner's permission for use of the private property. 4. Fill out the Business License Application. The Act is a principled, practical solution that strikes a fair balance: it allows government to bar property uses that threaten public health or safety. Landowners or lawful occupants who want to control access to their property and prevent timber theft may post signs warning people to keep out. All home-based businesses must receive a zoning clearance from the Planning and Building Department. To sign up to receive our emails, fill in the following fields and hit submit. Standards of business operation. Sec. 15-36.