Spanish to English Bus/Financial Transport / Transportation / Shipping Air freight, goods transport

SPAIN. I don't usually "do" acronyms and insist that clients who use them should define them. Unfortunately,the client who sent me this has gone on holiday. I've asked one of her colleagues about it but they haven't replied yet, and I suspect they might not know either, or tell me to "just leave it" (which I find really irritating). I don't even know if it's an English or Spanish acronym (though I suspect it may be the former),

Not much context to go on either. It's an ad about a logistics and e-booking / EDI workshop:

"El próximo 22 de Septiembre, International Air Transport Association (IATA) organizará un e-AWB workshop en Santiago de Chile. Acudirán tanto Aerolineas como , Agentes de Carga, GHAs y Almacenes chilenos. "