Use VA Form 210781 if you've been diagnosed with a mental health condition related to a traumatic event during your military service. Supporting Documentation must be attached.This form is to be used only for the "Prior" 457 Plan investments. You may be eligible for VA disability compensation for posttraumatic stress disorder (PTSD). Compensation provides tax-free monthly payments. While every attempt has been made to ensure the accuracy of the information contained in this book, the Health and Human.