Ovens shall be of the self-cleaning type or be located adjacent to an adjustable height counter with knee and toe clearance complying with 306. For side-opening ovens, the door latch side shall be next to the open counter space, and there shall be a pull-out shelf under the oven extending the fill width of the oven and pulling out not less than 10 inches (255mm) when fully extended. Ovens shall have controls on front panels. Oven controls are permitted to be located on either side of the door.