30 CFR § 15.8
Quality assurance.
(a) Applicants granted an approval or an extension of approval under this
part shall manufacture the explosive or sheathed explosive unit as
approved.
(b) Applicants shall immediately report to the MSHA Approval and
Certification Center, any knowledge of explosives or sheathed explosive
units that have been distributed that do not meet the specifications of the
approval.
[60 FR 33719, June 29, 1995]