[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR7.6]

[Page 15]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents
 
                           Subpart A--General
 
Sec. 7.6  Approval marking and distribution record.

    (a) Each approved product shall have an approval marking, as 
specified in the appropriate subpart of this part.
    (b) For an extension of approval, the extension number shall be 
added to the original approval number on the approval marking.
    (c) Applicants shall maintain records of the initial sale of each 
unit having an approval marking. The record retention period shall be at 
least the expected shelf life and service life of the product.

[53 FR 23500, June 22, 1988, as amended at 60 FR 33722, June 29, 1995]