(1) The competent authority may, on application in accordance with section 49 , approve a design for a packaging for use in the transport of dangerous goods if it is satisfied that a packaging of the design—
(a) will comply with, or is permitted by, the ADG code, part 6; and
(b) satisfies all the relevant testing and inspection requirements set out in the part.
(2) In deciding whether packaging of a particular design satisfies any particular testing requirement, the competent authority may rely on any test certificate issued by a recognised testing facility that complies with section 52 (Test certificates).
(3) The competent authority may put a condition on the approval about the construction, packing, maintenance or use of a packaging manufactured in accordance with the approved design.
(4) However, the condition must be necessary for the safe use of the packaging to transport dangerous goods.