Process of approval by conferences and/or associations for allowing the sale of tickets and other travel services. This certification is granted to a travel agency by individual air carriers or their respective trade associations, currently through ARC for ATA-member air carriers or by the IATA successor corporation, PNSC doing business as, IATAN, for international air carriers, which authorize the agency to sell air tickets on the carriers’ behalf for a commission. (See accreditation).
