Any prescription should be written in duplicate one for the Pharmacist and an other for the patient and contain the following inscriptions legibly written: 1. Name and full address of the author; 2. Registration number at the professional Association of the prescriber; 3. Date of the prescription; 4. Names, age, weight and sex of the patient; 5. Names of the prescribed products, their form, their administration and their dosage; 6. Signature of the prescriber. Unless there is a specific note from the prescriber, the validity period of a prescription shall be limited to one month. Article: 55 If in a prescription, dosages are not respected, the pharmacist will dispense the drugs after having consulted the prescriber. If it is impossible for the pharmacist to consult the prescriber, or while he/she is waiting for the decisions to be made by this one, the prescription will be dispensed within the limit recommended dosages in the national form. In this case the pharmacist shall explain to the patient the reasons for changing the dosage in the prescription and the reference to the new prescriber or any other physician equally qualified. Article: 56 In case of incompatibility between two or among several prescribed drugs, the pharmacist will carry out dispension of the products only after having explained to the prescriber incompatibility in question shall consist of and proposed a rectification of the treatment accordingly. Article: 57 The pharmacist shall be authorized to substitute a prescriber drug for another drug having the same active principle, if the substituted drug represents a lower price for the patient’s treatment and after the latter or his doctor has given prior agreement. Article: 58 Any pharmacist should keep a prescription register in which he/she shall transcribe all drugs which are required to be registered as well as all the Magistral preparations carried his/her pharmacy. An order issued by the Minister responsible for Health shall determine the information which should appear on the prescription register. The prescription registers will be kept for ten years starting from the date of their closure. Article: 59 Every pharmacy is required to mark any used prescription with the date, quantities delivered and the stamp. Article: 60 Delivery of medical samples shall be authorized only in case of emergency and free of