Relates to certain lung disabilities incurred by members of the New York city transit authority in certain cases

Relates to certain lung disabilities incurred by members of the New York city transit authority in certain cases; provides that any lung condition resulting in total or partial disability or death to a member of the New York city transit authority, or its subsidiary corporation, where such member successfully passed a physical examination on entry into such service or subsequent thereto, which exam failed to reveal evidence of such condition, shall be presumed to have been incurred in the performance and discharge of duty.