In this task, you are provided with an article about the legal acts. Your task is to generate a headline for that article.

In the Annex to the Council Directive of 6 February 1970 (70/157/EEC), heading II, entitled 'exhaust system (silencers)', is replaced by the text contained in the Annex to the present Directive.  (1)OJ No L 42, 23.2.1970, p. 1. (2)OJ No L 73, 27.3.1972, pp. 115 and 157. (3)OJ No L 42, 23.2.1970, p. 16. 1. With effect from 1 March 1974 the Member States shall not, on grounds relating to the permissible sound level and the exhaust system:    - refuse EEC type-approval, or the delivery of the document referred to in Article 10 (1), second indent, of the Council Directive of 6 February 1970 (70/156/EEC) or the national type-approval for any type of motor vehicle- or prohibit the entry into service of vehicles,if the sound level and the exhaust system of this type of vehicle or of these vehicles comply with the provisions of the Council Directive of 6 February 1970 (70/157/EEC) as last amended by this Directive.2. With effect from 1 October 1974 the Member States:    - shall no longer issue the document envisaged in Article 10 (1), second indent, of the Council Directive of 6 February 1970 (70/156/EEC) for a type of vehicle the sound level and the exhaust system of which do not comply with the provisions of the Council Directive of 6 February 1970 (70/157/EEC) as last amended by this Directive,- may refuse the national type-approval of a type of vehicle the sound level and the exhaust system of which do not comply with the provisions of the Council Directive of 6 February 1970 (70/157/EEC) as last amended by this Directive.3. With effect from 1 October 1975 the Member States may prohibit the first entry into service of vehicles the sound level and exhaust system of which do not comply with the provisions of the Council Directive of 6 February 1970 (70/157/EEC) as last amended by this Directive.4. The Member States shall adopt and publish the provisions necessary in order to comply with this Directive before 1 March 1974 and shall forthwith inform the Commission thereof. This Directive is addressed to all the Member States.
Commission Directive adapting to technical progress the Council Directive of 6 February 1970 on the approximation of the laws of the Member States relating to the permissible sound level and the exhaust system of motor vehicles

Article 1 of Commission Regulation (EEC) No 616/72 of 27 March 1972 on detailed rules for the application of export refunds and levies on olive oil (7), is hereby amended to read as follows:'Article 1 1. The export refund shall be granted only on olive oils with a free fatty acid content expressed as oleic acid of not more than 30 grams per 100 grams.2. Where the exported olive oil is a mixture falling within subheading 15.07 A II composed of:    (a) oil purchased in response to an invitation to tender for export, and(b) oil purchased directly on the Community market,the refund fixed for oils falling within subheading 15.07 A II shall be granted solely in respect of the quantity obtained directly from the Community market.' This Regulation shall enter into force on the day following its publication in the Official Journal of the European Communities.This Regulation shall be binding in its entirety and directly applicable in all Member States.
Commission Regulation amending Regulation (EEC) No 616/72 on detailed rules for the application of export refunds and levies on olive oil

The following shall be substituted for the second paragraph of Article 7 of Regulation No 142/67/EEC:'It shall apply from 1 July 1967.' This Regulation shall enter into force on 1 July 1968.This Regulation shall be binding in its entirety and directly applicable in all Member States.

Regulation altering the period of validity of Regulation No 142/67/EEC on export refunds on colza, rape and sunflower seeds