; and (II) by striking his and inserting the miner’s ; and (iv) in the tenth sentence, by striking he each place it appears and inserting the Secretary ; and (13) in section 430 ( 30 U.S.C. 940 )— (A) by striking 1977 and and inserting 1977, ; and (B) by striking 1981 and inserting 1981, and the Black Lung Benefits Improvement Act of 2017, and any amendments made after the date of enactment of such Act, . 112. Readjudicating cases involving certain chest radiographs (a) Definitions In this section: (1) Covered chest radiograph The term covered chest radiograph means a chest radiograph that was interpreted as negative for simple pneumoconiosis, complicated pneumoconiosis, or progressive massive fibrosis by a physician with respect to whom the Secretary has directed, in writing and after an evaluation by the Secretary, that such physician’s negative interpretations of chest radiographs not be credited, except where subsequently determined to be credible by the Secretary in evaluating a claim for benefits under the Black Lung Benefits Act ( 30 U.S.C. 901 et seq.). (2) Covered individual The term covered individual means an individual whose record for a claim for benefits under the Black Lung Benefits Act includes a covered chest radiograph. (3) Covered survivor The term covered survivor means an individual who— (A) is a survivor of a covered individual whose claim under the Black Lung Benefits Act was still pending at the time of the covered individual’s death