410.473—Evidence of continuation of disability.
An individual who has been determined to be totally disabled due to pneumoconiosis, upon reasonable notice, shall, if requested to do so (e.g., where there is an issue about the validity of the original adjudication of disability) present himself for and submit to examinations or tests as provided in § 410.472, and shall submit medical reports and other evidence necessary for the purposes of determining whether such individual continues to be under a disability.