Article 4
1. A tender shall be valid only if presented by or on behalf of an establishment approved in accordance with Article 8(1) of Directive 94/65/EC as a producer of minced meat or minced meat preparations. Member States shall consult with each other where necessary for the application of this paragraph. 2. Tenders shall be accompanied by: - a written undertaking by the tenderer to use all the meat concerned for the production of minced meat as defined by Article 2(2)(a) and (b) of Directive 94/65/EC within five months of the date of conclusion of the contract of sale with the intervention agency, - details of the exact location of the establishment or establishments of the tenderer in which the minced meat is to be produced. 3. The tenderers referred to in paragraph 1 may instruct an agent in writing to take delivery, on their behalf, of the products which they purchase. In this case the agent shall submit the bids of the tenderers whom he represents with the written instruction referred to above. 4. The purchasers and agents referred to in the preceding paragraphs shall maintain and keep up to date an accounting system which permits the destination and use of the products to be ascertained with a view in particular to ensuring that the quantities of products purchased and the quantities of minced meat produced correspond. For the purposes of administrative supervision, where appropriate the intervention agency holding the products concerned shall send the competent authority of the Member State in which the minced meat is to be produced a certified copy of the sales contract.