No person may operate a kennel without first obtaining a kennel license. Research facilities wherein bona fide medical or other scientific research (including, but not limited to, dental, pharmaceutical and biological research) is being conducted and other animal holding establishments which are licensed by Federal law or operated by agencies or contractors of the United States, the State of Maryland or of any Maryland local government are excluded from the kennel licensing requirements of this Subtitle. The applicant shall pay an annual kennel license fee as follows: (1) Authorized to house less than ten (10) animals $75.00 (2) Authorized to house ten (10) but less than fifty (50) animals $125.00 (3) Authorized to house fifty (50) but less than one hundred (100 animals $175.00 (4) Authorized to house one hundred (100) or more animals $250.00 The holder of a commercial kennel license shall make and retain for one year records of the names and addresses of persons who board, buy, or otherwise receive dogs from the kennel.