Without prejudice to the provisions of article R. 2121-7, for non-written contracts concluded by purchasing card, the purchaser shall verify, after their conclusion and at least quarterly, that the value of these contracts per homogeneous category as defined in article R. 2121-6 does not exceed the thresholds for advertising and competitive tendering. If this value reaches or exceeds the threshold defined in article R. 2322-14, the subsequent contracts in the category in question are awarded in accordance with the provisions of article L. 2320-1 for the period in question.