"Coca-Cola's IHG code (128813) is for one of the world's most recognized brands. IHG enforcement is tier-based: InterContinental Atlanta (near Coke HQ in Atlanta GA) regularly sees Coke employees and has established verification procedures. Holiday Inn Express: essentially never checks. Coca-Cola has dedicated travel partnerships with major hotel chains — the contract likely specifies usage verification protocols. hotelcorporatecodes.com notes Coke codes at "⚠️ Sometimes" at IHG."

"I highly doubt I'm the only one with a corporate hotshot relative who allows family to use the codes."

"Bayer 251321 is confirmed as an IHG corporate code. IHG enforcement is highly brand-dependent: milepro.com states "At InterContinental or Kimpton, you'll almost certainly need to show proof of eligibility" while "Holiday Inn Express properties rarely check." Bayer's heavy presence at InterContinental properties in European pharma hubs (Frankfurt, Basel, London) means real-world usage skews toward high-enforcement properties. FlyerTalk on IHG code verification: "They do often ask for ID. YMMV." Rated Medium because enforcement is brand-split."