"Grab a business card from the front desk for use in getting the F&F rate the next time. CARLSONF yields no points or stay credit, but can yield comparable value vs. very high prices at some high end properties."

"Last year December, two stays. Radisson ARN Skyline. No form was asked. Code RHGRFNF still works, checked a week ago."

"ExxonMobil's Radisson code (50614) carries far lower risk than the widely-discussed Marriott XOM code. A Fishbowl post titled "Anyone ever use another company's corporate discount code for Marriott? XOM Exxon code is showing a significant discount" confirms ExxonMobil code discussion is primarily Marriott-focused. Radisson operates with far lower enforcement than Marriott. The Americas properties (now Choice Hotels) have minimal verification infrastructure. No ExxonMobil+Radisson incident documented."