Regulations Governing Airport Ground Handling Services Article 20 Law: Regulations Governing Airport Ground Handling Services Chinese: 航空站地勤業管理規則第20條 The provisions of Articles 6, 8, 13 through 17, and 19 shall apply to civil air transport enterprises operating private airport ground handling services. 中文原文 航空站地勤業管理規則第20條 民用航空運輸業自辦航空站地勤業務,準用第六條、第七條、第十三條至第十七條及第十九條規定。