《维也纳领事关系公约》（VCCR，制度层面）

Article 5 Consular functions Consular functions consist in: (a) protecting in the receiving State the interests of the sending State and of its nationals, both individuals and bodies corporate, within the limits permitted by international law; (b) furthering the development of commercial, economic, cultural and scientific relations between the sending State and the receiving State and otherwise promoting friendly relations between them in accordance with the provisions of the present Convention; (c) ascertaining by all lawful means conditions and developments in the commercial, economic, cultural and scientific life of the receiving State, reporting thereon to the Government of the sending State and giving information to persons interested; (d) issuing passports and travel documents to nationals of the sending State, and visas or appropriate documents to persons wishing to travel to the sending State; (e) helping and assisting nationals, both individuals and bodies corporate, of the sending State; (f) acting as notary and civil registrar and in capacities of a similar kind, and performing certain functions of an administrative nature, provided that there is nothing contrary thereto in the laws and regulations of the receiving State; (g) safeguarding the interests of nationals, both individuals and bodies corporate, of the sending States in cases of succession mortis causa in the territory of the receiving State, in accordance with the laws and regulations of the receiving State; (h) safeguarding, within the limits imposed by the laws and regulations of the receiving State, the interests of minors and other persons lacking full capacity who are nationals of the sending State, particularly where any guardianship or trusteeship is required with respect to such persons; (i) subject to the practices and procedures obtaining in the receiving State, representing or arranging appropriate representation for nationals of the sending State before the tribunals and other authorities of the receiving State, for the purpose of obtaining, in accordance with the laws and regulations of the receiving State, provisional measures for the preservation of the rights and interests of these nationals, where, because of absence or any other reason, such nationals are unable at the proper time to assume the defence of their rights and interests; (j) transmitting judicial and extrajudicial documents or executing letters rogatory or commissions to take evidence for the courts of the sending State in accordance with international agreements in force or, in the absence of such international agreements, in any other manner compatible with the laws and regulations of the receiving State; (k) exercising rights of supervision and inspection provided for in the laws and regulations of the sending State in respect of vessels having the nationality of the sending State, and of aircraft registered in that State, and in respect of their crews; (l) extending assistance to vessels and aircraft mentioned in subparagraph (k) of this article, and to their crews, taking statements regarding the voyage of a vessel, examining and stamping the ship’s papers, and, without prejudice to the powers of the authorities of the receiving State, conducting investigations into any incidents which occurred during the voyage, and settling disputes of any kind between the master, the officers and the seamen insofar as this may be authorized by the laws and regulations of the sending State; (m) performing any other functions entrusted to a consular post by the sending State which are not prohibited by the laws and regulations of the receiving State or to which no objection is taken by the receiving State or which are referred to in the international agreements in force between the sending State and the receiving State.

Article 36 Communication and contact with nationals of the sending State 1. With a view to facilitating the exercise of consular functions relating to nationals of the sending State: (a) consular officers shall be free to communicate with nationals of the sending State and to have access to them. Nationals of the sending State shall have the same freedom with respect to communication with and access to consular officers of the sending State; (b) if he so requests, the competent authorities of the receiving State shall, without delay, inform the consular post of the sending State if, within its consular district, a national of that State is arrested or committed to prison or to custody pending trial or is detained in any other manner. Any communication addressed to the consular post by the person arrested, in prison, custody or detention shall be forwarded by the said authorities without delay. The said authorities shall inform the person concerned without delay of his rights under this subparagraph; (c) consular officers shall have the right to visit a national of the sending State who is in prison, custody or detention, to converse and correspond with him and to arrange for his legal representation. They shall also have the right to visit any national of the sending State who is in prison, custody or detention in their district in pursuance of a judgement. Nevertheless, consular officers shall refrain from taking action on behalf of a national who is in prison, custody or detention if he expressly opposes such action. 2. The rights referred to in paragraph 1 of this article shall be exercised in conformity with the laws and regulations of the receiving State, subject to the proviso, however, that the said laws and regulations must enable full effect to be given to the purposes for which the rights accorded under this article are intended.

Article 55 Respect for the laws and regulations of the receiving State 1. Without prejudice to their privileges and immunities, it is the duty of all persons enjoying such privileges and immunities to respect the laws and regulations of the receiving State. They also have a duty not to interfere in the internal affairs of the State. 2. The consular premises shall not be used in any manner incompatible with the exercise of consular functions. 3. The provisions of paragraph 2 of this article shall not exclude the possibility of offices of other institutions or agencies being installed in part of the building in which the consular premises are situated, provided that the premises assigned to them are separate from those used by the consular post. In that event, the said offices shall not, for the purposes of the present Convention, be considered to form part of the consular premises.