30 CFR § 14.10
Post-approval product audit.
(a) Approved conveyor belts will be subject to periodic audits by
MSHA to determine conformity with the technical requirements upon which
the approval was based. MSHA will select an approved conveyor belt to
be audited; the selected belt will be representative of that
distributed for use in mines. Upon request to MSHA, the approval holder
may obtain any final report resulting from the audit.
(b) No more than once a year, except for cause, the approval
holder, at MSHA's request, must make 3 samples of an approved conveyor
belt of the size specified in Sec. 14.5
available at no cost to MSHA
for an audit. If a product is not available because it is not currently
in production, the manufacturer will notify MSHA when it is available.
Representatives of the applicant and other persons agreed upon by MSHA
and the applicant may be present during audit tests and evaluations.
MSHA will also consider requests by others to observe tests.
(c) A conveyor belt will be subject to audit for cause at any time
MSHA believes the approval holder product is not in compliance with the
technical requirements of the approval.