(f) Bringing promptly to the notice of the GSA's booking and reservations staff as to Sales Agents in the Territory instructions, special advices and sales points sent to GSA by the Principal;
(g) Issuance in accordance with the provisions of Article 6 hereof, of passenger tickets or miscellaneous charges orders, as appropriate, in connection with all sales made on behalf of the Principal;
(h) Advice to passengers concerning passport, health, currency, immigration and other regulations in force in countries to and through which they are to travel and ensuring as practicable that such regulations are observed by all such passengers.