You can receive your MIIN by contacting MSHA Educational Policy and Development (EPD) by calling 303-231-5472 or the toll free number at 1-800-579-2647. You can email EPD at zzMSHAEPDQC@dol.gov or look up your number on the eGov website.
If your address has changed since you first received your instructor certification, please include both the previous address and your current mailing address. Once your request is processed, you will receive your new card in 10-14 business days.