) . VA has fulfilled the above requirements . In a February 2008 VCAA notice letter , the Veteran was duly informed of the evidence needed to establish entitlement to service connection for PTSD . The issue was last readjudicated in a June 2015 supplemental statement of the case . Accordingly , no further development is required with respect to the duty to notify . Next , VA has a duty to assist a claimant in the development of a claim . This duty includes assisting in the procurement of service treatment records and all relevant pre - and post - service treatment records , and by providing an examination , when necessary . 38 U . S . C . A . § 5103 A ; 38