"RBC Royal Bank's Marriott code 57845 is a major Canadian bank code. RBC is headquartered in Toronto with major US operations. Finance-sector Marriott codes carry medium enforcement risk, especially in Canadian markets and NYC. hotelcorporatecodes.com: "⚠️ Sometimes" for bank codes. Canadian Marriott properties in Toronto are most likely to verify RBC codes — front desk staff are familiar with RBC employee badges at downtown Toronto properties."

"I work as a consultant and frequently ask for and use my client's rates (at their insistence, since I will be billing them back). I have been asked for ID maybe one time in 15 since February, when it was announced in this forum that rates would be ID'ed."

"I don't do mobile check-in if I'm wanting to upgrade. I check the app before I go in to see if any suites are available to book during the duration of my stay. If there is I just say "Would it be possible to get upgraded to an available suite with my platinum benefit?". Of course this is typically at the hotel that I stay in about once a month for 3 day at a time for work. The front desk pretty much knows me and know that I am fairly low maintenance."