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Verification tests shall be carried out on random samples of tyres bearing the approval mark required by this Regulation taken from the series production. Where the test procedure involves testing a number of tyres at the same time, for example a set of four tyres for the purpose of measuring wet adhesion in accordance with the standard vehicle procedure given in Annex 5 to this Regulation, then the set shall be considered as being one unit for the purposes of calculating the number of tyres to be tested. The Type Approval Authority shall satisfy itself that all tyres falling within an approved type comply with the approval requirement. |
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