(1999) 422-16(b)(2)(d) "The receptacle shall be located in the space occupied by the appliance or adjacent thereto."

Dishwashers are considered 'accessible' since you can remove 2 screws and pull them out of the cabinet space.

422-16(b)(2)lists 5 conditions that have to be met where built-in dishwashers are cord- and plug-connected (a,b,c,d, & e).