(t) Provide computer reservations and telecommunication facilities to service the Principal passenger traffic and general business;
(u) Liaison on behalf of the Principal with the statuary authorities concerned and forward to the Principal any pertinent information concerning local regulations, taxes, statistics, returned reports and information of a similar nature;
(v) Employ adequate and suitable persons to undertake the marketing and sales promotion of the Principal services including the development of specific markets by personal and regular contact with airlines, travel agents, tour operators and other sales outlets.