# Mines (Working Facilities and Support) Act 1923, Paragraph 1


The percentage shall be one hundred if the specified minerals do not extend beyond the boundary of the protected works, and shall diminish by one for every one-and-a-half yards by which the specified minerals extend beyond that boundary on each side thereof.

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Source: https://www.legislation.gov.uk/ukpga/Geo5/13-14/20/schedule/THIRD/paragraph/1 (the official version)
Page: https://openlegislation.uk/mines-working-facilities-and-support-act-1923/schedule-THIRD/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.