Not An Atlas https://validator.w3.org/feed/docs/rss2.html Shoulder season Single supplement Site inspection Soft opening Stop-sell Stopover Supplier TAANZ Tender port Ticketing time limit TICO Tour operator Travel insurance Twin share Upgrade Upsell Value-add VIP code Walked Wholesaler Final payment FIT (Fully Independent Traveller) Flexible rate Gateway city GDS (Global Distribution System) GIT (Group Inclusive Tour) Gratuities Ground handler Group rate Guarantee cabin Host agency Hosted buyer IATA number IATAN Inbound operator Interline Land-only Lead-in rate Low season Markup Meal plan NDC Net rate No-show Non-commissionable fare Non-refundable rate Opaque fare OPC Open jaw OTA (Online Travel Agency)