No person may operate any of the following facilities without a license to do so from the Commissioner, as provided in this Part II:animal clinic; animal shelter; commercial establishment; or animal fancier. Every facility subject to this Part II is considered a separate enterprise and requires a separate license. City Code, 1976/83, art. 11, §28(a), (e), (h) Ord. 99-548 Ord. 11-573