A veterinary surgeon who prescribes medicinal products containing substances having an oestrogenic, androgenic or gestagenic action for farm animals shall record the following information in chronological order in a register or by any appropriate recording system:
1° Number of the prescription prescribing the medicinal product in question ;
2° Nature of the treatment ;
3° Nature of the medicinal product ;
4° Date of treatment ;
5° Identity of the animals treated ;
6° Identity of the keeper of the animal(s) treated.