"Lowe's Marriott code LOW is a home improvement retail code. No FlyerTalk thread discusses Lowe's verification incidents. Lowe's HQ is in Mooresville NC with regional distribution nationally. Retail corporate codes at Marriott select-service and full-service properties yield near-zero verification frequency. The massive retail workforce (250,000+ US employees) makes ID verification impractical. No specific LOW denial incident documented in public forums."

"AT&T is among the companies with the best Marriott negotiated rates. In the US, I've never been asked to show corporate ID. In Asia and Europe, I've been asked for corporate ID every single time. Since some companies don't put their name on badges for security reasons, the business card route is often tried first and usually accepted."

"I have been a Platinum for a few years (which implies I frequent Marriott properties on a regular basis) and up until tonight was NEVER asked for any id to justify a corporate rate or discount (I legitimately use a few corporate rates I am entitled to and AAA rates)"