When a designated airline proposes to use an aircraft other than an aircraft of which it is a part of the services provided under this package, this would apply only to the following conditions: the term “agreed services” refers to scheduled flights provided separately for the transport of passengers, cargo and/or mail, or in combination for pay or rental on the routes indicated; The airlines of each contracting party that are not designated in accordance with Article 3 (airline designation and authorization) of this agreement also enjoy the rights covered by paragraphs 1, points (a) and b), of this article. This airline is required to comply with other conditions defined by the laws, regulations and regulations that are normally applicable to the operation of international air services by the contracting party reviewing the application. Air Services Agreements (ASAs) are formal contracts between countries – Memorandums of Understanding (Memorandum of Understanding) and formal diplomatic notes. It is not mandatory to have an ASA for the operation of international services, but cases where contract-free services exist are rare. The addition of an excessive capacity or frequency of air services; NOTE that effective and competitive international air services are important for developing trade, leveraging consumers and stimulating economic growth; VU the Vientiane action programme adopted at the tenth ASEAN Summit, held on 29 November 2004 in Vientiane (PDR), Lao, calling for an acceleration of “open skies” regulation and the promotion of the liberalisation of air services; Notwithstanding the above provisions, the right to submit passengers, baggage, cargo or mail transported for compensation and destined for or from points in the territory of a non-contracting party in the territory of another contracting party is subject to agreement between the aviation authorities of the contracting parties concerned. For the operation of the air services under this agreement, each party recognizes the validity of airworthiness certificates issued or validated by the contracting party that designates that airline and which is still in effect, provided that the requirements for these certificates or licences are at least in accordance with the minimum standards that can be established in accordance with the agreement. However, each party reserves the right to refuse recognition as valid for the purpose of fleeing over its own territory, patents and licenses issued to another party to its own nationals or validated for its own nationals. Where possible, a designated airline of another party exempts, on the basis of reciprocity, customs duties, excise duties, control taxes and other national duties and taxes on aircraft, where possible, according to their national law; fuels, ground equipment, lubricants, technical consumables, spare parts, including engines, regular air equipment, aircraft warehouses and other items, such as printed air transport letters, prints, printable documents bearing the company`s printed badges, and the usual advertising material distributed free of charge by this designated airline for the operation or maintenance of the airline`s designated aircraft.