The Mines (Notification of Dangerous Occurrences) (Amendment) Order 1973
Whereas the Secretary of State is of opinion that the special class of occurrences at mines which is hereinafter specified is of so dangerous a nature as to render it expedient that notice should be given under section 116 of the Mines and Quarries Act 1954(a) in every case thereof:

Now, therefore, the Secretary of State, in exercise of the powers conferred by sections 117(1) and 173 of the Mines and Quarries Act 1954 and now vested in him(b) and all other powers in that behalf enabling him,...