basis, training needs based on identified processing error trends. (d) Formal process for conduct of annual studies (1) In general Not later than 180 days after the date of the enactment of this Act, the Secretary, acting through the Under Secretary, shall establish a formal process to conduct, on an annual basis, studies to help guide the national training program established under subsection (a)(1). (2) Elements Each study conducted under paragraph (1) shall cover the following: (A) Military post-traumatic stress disorder stressors. (B) Decision-making claims for claims processors. (e) Annual updates to post-Traumatic stress disorder procedural guidance Not later than 180 days after the date of the enactment of this Act and not less frequently than once each year thereafter, the Secretary, acting through the Under Secretary, shall evaluate the guidance relating to post-traumatic stress disorder to determine if updates are warranted to provide claims processors of the Department with better resources regarding best practices for claims processing, including specific guidance regarding development of claims involving compensation for service-connected post-traumatic stress disorder.