"Accessory dwelling unit, attached" ("Attached accessory dwelling unit") means an accessory dwelling unit that is located in the same structure as the primary dwelling. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Amended Ord. 21-018, June 9, 2021, Eff date June 19, 2021).