【正文】 application and an import license which is a prerequisite to going through import formalities for narcotic drugs issued by the petent government department of the importing country must be presented before the Ministry of Public Health issues an Export License for Narcotic Drugs. Article 20 Import and export licenses for narcotic drugs shall be printed exclusively by the Ministry of Public Health. Chapter VI The Use of Narcotic Drugs Article 21 Narcotic drugs shall only be used for medical treatment, in teaching at medical colleges and in medical science research. Any medical treatment unit with medical wards and with surgical or other necessary medical treatment facilities may file an application to the local administrative department of health. Upon approval by the administrative department of health at a higher level, and after the level of supply is verified, a Purchase Card for Narcotic Drugs shall be issued. The aforesaid unit may purchase the needed narcotic drugs from the designated trading units according to the fixed quota. When the medical colleges or scientific research institutions are in need of narcotic drugs, they shall file an application to the administrative department of health at a higher level and, upon approval, may purchase these drugs from the trading units of narcotic drugs. The Ministry of Public Health is the authority to make out the grading standard of rations. Article 22 Narcotic consuming unit must fill out an application form for when purchasing, narcotic drugs and the supplying unit must check the various seals and the number of seals stamped on the form before supplying them with the kind of drugs on quarterly ration as stipulated in the regulations set by the Ministry of Public Health. Article 23 The unit in need of narcotic drugs can either purchase them directly from the trading units or by mail order. In the latter case, however, the shipping documents and certificates must be sent out by registered mail. When sending the narcotic drugs by post, the sendertrading unit is required to stamp a Seal for Narcotic Drugs on the parcel form and to present to the post office the invoice with a Seal for Narcotic Drugs stamped on. Article 24 Preparations that fall under the category of narcotic drugs must be purchased from the trading units of narcotic drugs. In case that they are not available or special preparations are needed by the medical treatment units, the authorized consuming medical units may prepare them by themselves with approval by the administrative department of health at or above the county level. No other unit shall be allowed to prepare any form of anaesthetic. Article 25 The medical worker who prescribes any anaesthetics for the patient must be a qualified physician or a surgeon, who is tested to have been able to use such drugs properly. The surgeon at the induced abortion ward who is tested to have been able to use such drugs properly may have the right to prescribe anaesthetics for the person to be operated on. Article 26 Dosage for injection in each prescription must not exceed two days of daily dose, as for the tablet, tincture, syrup, the dosage must not exceed three days of daily dose. Administration of narcotic must not exceed a period of seven days running. Prescription of narcotic drugs must be fully and clearly stated with signature of the physician or surgeon on. When preparing a narcotic drug, the pharmacist and the checker are required to sign their names and keep the prescription of the narcotic drug on file. No medical worker is allowed to prescribe any narcotic drug for him/herself. Article 27 In the case of a patient in serious conditions who is diagnosed by a hospital at or above county level to be in need of narcotic drugs as a pain killer, the hospital appointed by the administrative department of health at or above the county level may issue the patient with a Special Purchasing Card for Narcotic on the basis of the Prescription and by checking his permanent residence booklet, and the patient may take this to the appointed medical treatment unit to have the drug prepared. If the patient holding a Special Purchasing Card for Narcotic is in need of a larger dose and the seasonal ration of the medical treatment unit fails to meet the demand, additional amount of narcotic shall be made available only with the approval by the administrative department of health at a higher level. Article 28 Medica