Commission Directive 91/412/EEC of 23 July 1991 laying down the principles and guidelines of good manufacturing practice for veterinary medicinal products Basic information In force CELEX number: 31991L0412 Official Journal: JOL_1991_228_R_0070_032 Form: Directive Procedure number: -- Languages: bg cs da de el en et fi fr hr hu it lv lt mt nl pl pt ro sk sl es sv Dates Date of document: Date of publication: Date of effect: August 17, 1991 Takes effect - Date notif. Date of transposition: Modified by Modifies Affected by case Legal basis EuroVoc Vocabulary Pharmacology Analytical chemistry Veterinary legislation Veterinary drug Medical research Veterinary legislation Toxicology Animal health and zootechnics