"Applied Materials' code APP appears in Marriott corporate code lists but has minimal community discussion. A FlyerTalk comment notes that some codes "are old and may not be valid, and some may require ID of some sort," and that rates are "widely offered and hard to check ID" particularly when extended to company retirees. Applied Materials is a major Silicon Valley semiconductor equipment company; Bay Area hotel density reduces the novelty of tech company codes in that market."

"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 now always make it a matter of course to carry documents (business cards of my contacts, e-mails requesting my visit etc.) from my host company when I travel. This has always proven sufficient for the few times I've been challenged by the front desk clerk."