(a), evidence from sources other than official records of the Department of Defense regarding the veteran's active military, naval, air, or space service may corroborate the veteran's account of the trauma. (2) Examples of evidence described in paragraph (1) include the following: (A) Records from law enforcement authorities, rape crisis centers, mental health counseling centers, hospitals, and physicians. (B) Pregnancy tests and tests for sexually transmitted diseases. (C) Statements from family members, roommates, other members of the Armed Forces or veterans, and clergy. (c) Evidence of behavior changes (1) For purposes of subsection (a), evidence of a behavior change following military sexual trauma is one type of relevant evidence that may be found in sources described in such subsection. (2) Examples of behavior changes that may be relevant evidence of military sexual trauma include the following: (A) A request for a transfer to another military duty assignment. (B) Deterioration in work performance. (C) Substance abuse or substance use disorder. (D) Episodes of depression, panic attacks, or anxiety without an identifiable cause. (E) Unexplained economic or social behavior changes. (d) Notice and opportunity To supply evidence The Secretary may not deny a claim of a veteran for compensation under this chapter for a covered mental health condition that is based on military sexual trauma without first— (1) advising the veteran that evidence described in subsections (b) and (c) may constitute credible corroborating evidence of the military sexual trauma