[Code of Federal Regulations] [Title 49, Volume 6] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR451.7] [Page 11] TITLE 49--TRANSPORTATION CHAPTER IV--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 451_TESTING AND APPROVAL OF CONTAINERS--Table of Contents Subpart A_Approval of Existing Containers Sec. 451.7 Alternative approval of existing containers. (a) Existing containers that do not qualify for approval under this subpart may be presented for approval under the provisions of subpart B of this part. For such containers, the requirements of subpart B of this part, relating to the end and sidewall strength tests, do not apply. Upon showing that the containers have performed satisfactorily in service, the applicant may omit the presentation of drawings and testing, other than the lifting and floor strength test, if permitted by the approval authority. [45 FR 37214, June 2, 1980, as amended at 69 FR 58352, Sept. 30, 2004]