1. In order to attain the objectives set out in Article 39, a common organisation of agricultural markets shall be established. 

This organisation shall take one of the following forms, depending on the product concerned: 
a) common rules on competition; 
b) compulsory coordination of the various national market organisations; 
c) a European market organisation. 

2. The common organisation established in accordance with paragraph 1 may include all measures required to attain the objectives set out in Article 39, in particular regulation of prices, aids for the production and marketing of the various products, storage and carryover arrangements and common machinery for stabilising imports or exports.

The common organisation shall be limited to pursuit of the objectives set out in Article 39 and shall exclude any discrimination between producers or consumers within the Union.

Any common price policy shall be based on common criteria and uniform methods of calculation. 

3. In order to enable the common organisation referred to in paragraph 1 to attain its objectives, one or more agricultural guidance and guarantee funds may be set up.