inspection, unless Ehere are serious groundE for believing that it containsarticles not for the personal use of the diplmatic courier or articles the inport or export of rhich is prohibited by Bhe lar or controlled by the quarant,lne regul,ations of the receiving State or, as ttte case nay be, of Ehe Eransit State. Such inepection shall be conducted only in the presence of the diplornatic courier. Article 20 E:<emption from dues and taxes The diplomatic courier shalt, in the performance of his functions, be exenpt in the receiving State or, as the case may be, in the tranEit SEate fron all those dues and taxes, nationalr r€gional or municipal, for which he night otherwise be liable, except for indirect taxes of a kind which are normally incorporated in theprice of goods or services and charges levied for specific services rendered. Article 21 Duration of privileges and irnmunities I. The cliploroatic courier shall. enjoy privileges and immunities f,ron the monent he enters the territory of the receiving State or, as the case may be, the trans,lt State in order to perform his functionst eEt if he is aLready in the Eerritory of the receiving State, from the moment he begins to exercise his functions. Such Privileges and immunities shall normally cease at the nonent nhen ttre diplonatic courier leaves the lerritory of the receiving State or the transit State. However' the privileges and imnunities of the diplonraitc courier ad boc shall cease at the moment rrhen lhe courier has delivered to the consignee Ehe diplonatic bag in h1s cbarge. A/40/447 EngliEh Fage 13 2. llhen Ehe funct,ions of the diplomatic courier cone to an end in accordance wit'h article 1.1 (b), hiE privileges and irmunities shall cease at the moment when he leaves Ehe territory of the receiving State, oE on the expiry of a reasonable period in rhich to do so.
**Analysis**
This text appears to be related to the diplomatic couriers and their privileges and immunities, specifically regarding the inspection of diplomatic bags and the exemption from dues and taxes. The language used is formal and official, suggesting a connection to international relations and diplomacy. The content does not seem to be related to economic development, natural resources, agriculture, forestry, fishing, industry, transport, communication, health, education, employment, humanitarian aid, or culture.

**Category**
International trade