an annual review by the scientific advisory committee. (b) Standards The national standards for selection, training, and assessment of service dogs described in this section are the following: (1) With respect to canine breed and size, service dogs should not be restricted by breed or size as the needs of individual veterans vary according to mobility and lifestyle. (2) With respect to canine selection and health— (A) breeds and lines within the breed should be evaluated to ensure a long service life for a working animal