“ After the case was brought here the Legislature, by Act 2694, so amended section 16 (e) as to cause the section itself to prescribe in detail what such reports should contain and thereby abrogated the provision on which the order was based and which the court held invalid. ”

“ Rep. 136. The board brought the judgment here for review, and the carrier now suggests that through a change in the local statute the question on which the judgment turned has become merely a moot one. ”