| Rank | Abbreviation | Meaning |
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| ***** | CERTIFIED TRAVEL COUNSELOR (CTC). | One who has passed a series of rigorous tests of professional competency administered by the Travel Institute, formerly known as the Institute of Certified Travel Agents.
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| *** | TRAVEL AGENT NUMBER. | This phrase is often used by people unfamiliar with the travel industry to refer to the IATA number, a unique industry identifier issued by the International Air Transport Association (IATA) to travel
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| ** | TRAVEL AGENCY. | 1. Usually used in the travel industry to refer to an ARC-appointed storefront retailer. 2. Any business that refers to itself as a travel agency.
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| ** | WESTERN HEMISPHERE TRAVEL INITIATIVE. | A U.S. government proposal to require that all citizens of the U.S., Canada, Mexico, and Bermuda possess a passport or other secure identification in order to enter or re-enter the United States.
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| ** | AIR TRAVEL CARD. | An airline-sponsored credit card, good for airline tickets only. Also known as the Universal Air Travel Plan Card.
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| * | ELECTRONIC TRAVEL AUTHORITY. | An Australian program that issues the equivalent of a visa online.
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| * | CORPORATE TRAVEL MANAGER. | A middle management position. Corporate travel managers are tasked with setting corporate travel policy and standardizing and overseeing all travel by corporate employees on company business. Many cor
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| * | IN-VEHICLE TRAVEL INFORMATION (SAFETY) SYSTEMS. | Any of a number of interrelated technologies such as cellular phones, global positioning systems, digital mapping, and others offered in rental cars.
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