38 CFR 4.129 : Pensions, Bonuses, And Veterans' Relief (§ 0.600 To Parts 201-299) — (§ 0.600 To § 17.3130) — Department Of Veterans Affairs (§ 0.600 To § 17.3130) — Schedule For Rating Disabilities (§ 4.1 To Appendix C To Part 4) — Disability Ratings (§ 4.40 To Appendix C To Part 4) — Mental Disorders (§ 4.125 To § 4.130) — Mental disorders due to traumatic stress.

When a mental disorder that develops in service as a result of a highly stressful event is severe enough to bring about the veteran's release from active military service, the rating agency shall assign an evaluation of not less than 50 percent and schedule an examination within the six month period following the veteran's discharge to determine whether a change in evaluation is warranted.