6. In Article 9—
(a)in paragraph (1)(a) for the words “the tests referred to in Article 6(1)” there shall be substituted “tests of the kind referred to in Article 6(1)(b)”;
(b)in paragraph (1)(b)(ii) for the words “Part II” there shall be substituted “Part III”;
(c)for paragraph (2) there shall be substituted the following paragraph—
“(2) Where no requirement has been made by the Secretary of State under paragraph (1) but the tests referred to in Article 6(1)(b) have been repeated by, or under arrangements made by, the applicant in respect of any class of car manufactured or imported by him and the conditions referred to in Article 6(2) are satisfied, the Secretary of State shall record the repeated test results by amending the official fuel economy certificate for the class of car for which the repeated tests were carried out.”