; and (B) may alter the definition of eligible veteran in subsection (b). (b) Eligible veteran defined In this section, subject to subsection (a)(3)(B), the term eligible veteran means a veteran who— (1) is enrolled in the system of annual patient enrollment under section 1705 of title 38, United States Code; (2) is not eligible for dental care under section 1712 of title 38, United States Code; (3) the Secretary determines does not receive regular periodontal care; (4) is between 40 and 70 years of age; and (5) has been diagnosed with type 2 diabetes. (c) Application; evaluation; disqualification; enrollment; categorization (1) Application An eligible veteran may elect to apply for the pilot program. (2) Evaluation; disqualification An eligible veteran who applies for the pilot program shall receive an initial periodontal evaluation, including vertical bitewing radiographs. Any eligible veteran diagnosed with periodontal disease that requires surgery shall be disqualified from the pilot program. (3) Enrollment