The pharmacist or veterinary surgeon under whose authority the facilities for the extemporaneous preparation of medicated feed are operated is bound by an agreement with the user and :
1° Places orders for medicated premixes for each prescription with an operator, stockist or wholesale distributor of medicated premixes; the order is accompanied by one of the copies of the prescription mentioned in article R. 5141-111 ;
2° Check the conditions of preparation and control with regard to the good practices mentioned in article R. 5143-1 ;
3° Checks compliance with the provisions relating to the composition, prescription and administration of medicated feed;
4° Check the records provided for in article R. 5143-3.