Article 13
Where Article 2 (1) (a) or (b) applies, the successful tenderer may request a payment on account equal to 90 % of the amount established by multiplying the net quantities effectively taken over for a product, a destination and a delivery date by the unitary amounts specified in his offer. This sum shall be paid to the successful tenderer, upon presentation of, the removal certificate issued by the intervention agency of the Member State in which the place of loading is situated or by the control agency responsible for the controls referred to in Article 11 (1), and a security equivalent to the sum thus calculated in favour of the Commission drawn up in accordance with the model set out in Annex.