Employers, contractors, or mine owners must notify a mines inspector and the workplace safety committee in the following situations:

1. Opening or Reopening: At least 14 days before beginning or restarting mine operations (exploration, development, or production).
2. Resumption of Work: Before resuming any work after a suspension lasting more than 30 days.
3. Quarries: Before opening or resuming work each year.
4. Discontinuance or Suspension: At the time of, or prior to, suspending all mining, maintenance, or construction work for more than 30 days.

Note: Connecting mining equipment to an external power source is considered a form of opening or resumption.

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