Hours of Work (Coal Mines) Convention, 1931

Hours of Work (Coal Mines) Convention, 1931 was an International Labour Organization Convention.
It was established in 1931:
Having decided upon the adoption of certain proposals with regard to hours of work in coal mines...
The convention was never brought into force.
Revision.
The principles of the convention were subsequently revised by ILO Convention C46.
Withdrawn.
The convention was never brought into force, and it was withdrawn May 30, 2000 at the ILO General Conference.