The test tyre shall be mounted on a [DEL] rim [DEL]specified by a recognized tyre and rim standards organization as listed in Appendix 4 to Annex 6 to this Regulation. The rim width code shall not differ by more than 0.5 from the measuring rim width code.

 a5c0
The test tyre shall be mounted on the test rim declared by the tyre manufacturer. a0c0