164. Limitation of contribution in respect of single mine.

Where the substituted mining code of the Railways Clauses Consolidation Act 18451 applies, the liability of the mine owner2 to contribute3 in respect of authorised workings is subject to the following further limitation as respects damage done by workings in any single mine4. When the aggregate of the sums paid by him in satisfaction of that liability amounts to a sum equivalent to a specified amount5 for each ton of commercially workable6 minerals, gotten or ungotten, in such part of any seams7 as lies within the mine and under an area extending laterally on both sides of the railway