"Chick-fil-A's Marriott code CFA appears in community code lists. No FlyerTalk or Reddit thread discusses CFA verification incidents. Restaurant-sector corporate codes at Marriott are rarely scrutinized — the employee base is primarily field workers, not frequent business travelers, reducing hotel-side familiarity. hotelcorporatecodes.com category analysis: consumer brand retail/food codes at Marriott select-service and full-service properties yield near-zero verification frequency."

"GAP Inc's Marriott code GAP is listed in corporate code databases. No verification incidents documented in FlyerTalk or Reddit discussions. Clothing retail corporate codes at Marriott receive minimal attention from front desk staff — retail employee IDs are not standardized enough to be reliably verified. US domestic properties rarely verify retail-sector codes."

"I have never been asked (yet) at Marriott but usually I show up at the desk by handing over ID/credit card. Don't read this as me endorsing going crazy using the codes that you aren't supposed to use! Interesting about the client reports going back daily."