"AAA (alt) Hyatt codes (17500 and 15985) are secondary AAA membership discount codes. AAA rates are publicly advertised membership discounts — not confidential employee benefits. FlyerTalk's dedicated 'AAA card – Do hotels check?' thread documents: 'One frequent traveler staying 1-3 hotels per week was asked for the AAA card at about 10-15% of hotels.' AAA membership cards are easy to carry and present. These alt codes share the same low-risk profile as the primary AAA Hyatt codes."

"Duty Free Shoppers' Hyatt code (12114) is a travel retail code, not a traditional corporate employee benefit. LVMH-owned DFS operates airport duty-free stores globally. No FlyerTalk or Reddit thread discusses DFS Hyatt verification incidents. Travel retail corporate rates at Hyatt are a low-enforcement category — DFS employees are airport-based, and Hyatt properties near airports (Hyatt Place, Hyatt Regency airport hotels) have minimal verification protocols."

"Hyatt Senior Citizen rate (17497) is a leisure discount, not a corporate code. FlyerTalk confirms: "World of Hyatt Senior Discount — no company ID required, just age verification at some properties. Front desk may ask for ID to confirm age." This is a publicly advertised promotional rate, not an employee benefit code. Age can be verified by any government ID. Risk of rate-challenge at check-in is essentially zero."