The Coal and Other Mines (Ventilation) (Variation) Regulations 1960
Made 28th June, 1960. Laid before Parliament 5th July, 1960. Coming into Operation 1st August, 1960.

The Minister of Power in pursuance of the powers conferred upon him by section one hundred and forty-one and subsection (1) of section one hundred and forty-three of the Mines and Quarries Act, 1954(a), and of all other powers him enabling hereby orders that the following regulations shall have effect:—