Any word on qualification requirements? Have the plat prems already received their certified letters?

I've been top-tier with Marriott so long that it's driving me crazy to think I might be "out-classed" again!

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CO plat, UA prem; Marriott plat, Hyatt plat, Hilton gold, Starwood gold; Avis select, Hertz 5-star, all the others base level...