（May we use Non – UN Cylinders for DG transportation?）
Q.
We wish to use locally approved Non-UN Cylinders. Is that permitted? Kindly advise. (30 Apr 21)
A.
Specification for UN Cylinders are described in details in DGR Section 6.4. For Non-UN Cylinders, please refer to DGR Section 6.4.3 “Requirements for Non-UN Cylinders and Non-UN Closed Cryogenic Receptacles”, particularly to Section 6.4.3.1 and 6.4.3.2.
The airline may request a copy of the test or approval certificate issued by the competent authority of the State.
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