Article 5 of the convention defines the consular functions.
protecting in the receiving State the interests of the sending State and of its
nationals, within the limits permitted by international law.
Furthering the development of commercial, economic, cultural and scientific
relations between the sending State and the receiving State.
Ascertaining by all lawful means conditions and developments in the commercial,
economic,cultural and scientific life of the receiving State
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
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