Identification Number (MIIN)
Single Source Page
Who does this apply to?
- Mine Safety and Health Administration (MSHA) personnel, mine operators, independent contractors, miners, state grantees, MSHA qualified and certified persons and approved instructors.
In addition to persons holding an MSHA certification to collect respirable dust samples and/or certification to maintenance and calibrate respirable dust sampling units, a MIIN is only required for persons applying for or modifying one of the following qualifications, certifications, or approvals:
- - Electrical Qualification Training, Low/Medium Voltage (Underground)
- Electrical Qualification Retraining, Low/Medium Voltage (Underground)
- Methane/Oxygen Qualification (Underground/Surface)
- Hoisting Qualification (Underground/Surface)
- Explosives/Blasting Qualification
- Impoundment Qualification
- MSHA Approved Instructors (Part 48 and Part 49, Electrical)
- Underground Foreman
- Underground Assistant Foreman
- Preshift Examiner
- Surface Foreman
- A MIIN is an MSHA Individual Identification Number
- MIIN's will be substituted for the social security number, eliminating the need for miners to provide the SSN on documents submitted to MSHA
- Use of the MIIN will help protect against identity theft
- Go online at www.msha.gov then click on Forms/Online Filing, and then on MSHA Individual Identification Number Request (5000-46) .
- Call the toll-free phone number 1 800-579-2647
- Fill out MSHA Form 5000-46, "Request for MSHA Individual Identification Number (MIIN)" and Send by secure FAX to (303) 231-5474 or
Mail to: Mine Safety and Health Administration
Qualification and Certification Unit
P.O. Box 25367, DFC
Denver, CO 80225
- Informational Presentation (PDF)
- Informational Presentation (Powerpoint®)
- MSHA Form 5000-46, "Request for MSHA Individual Identification Number (MIIN)
- Instructions for completing MSHA Form 5000-46
- Forms/Online Filings Page
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