7.9—Revocation.
(b)
Prior to revoking an approval, the approval-holder shall be informed in writing of MSHA's intention to revoke approval. The notice shall:
(2)
Provide the approval-holder an opportunity to demonstrate or achieve compliance with the product approval requirements.
(d)
If a product poses an imminent hazard to the safety or health of miners, the approval may be immediately suspended without a written notice of the agency's intention to revoke. The suspension may continue until the revocation proceedings are completed.