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Marriott BonvoyでコードIBSは安全に使えますか？
⚠️ 中リスク。About 1 in 6 Marriott check-ins result in a verification request. A work email confirmation or business card usually satisfies.
コード：IBS · 会社：Intel · 割引：10-15% · 地域：Global
証明書を求められた場合は持参：Business card or work email。確認が多い地域：Japan · China · Middle East。
旅行者レポート（原文は英語 / Original reports in English）
Updated 4 hours ago
"IBS (Intel) is confirmed in AeroPenguin's Marriott code list. hotelcorporatecodes.com lists IBS at 10-15% discount, "⚠️ Sometimes" verification. FlyerTalk enforcement thread context: one member noted "IBM used it 14 years, 80-100 nights/year, never asked once" — but IBM is a distinct code with different discount depth. Intel's IBS at 10-15% discount is in the "low-pressure" zone where hotels rarely verify. One FlyerTalk moderator noted: "the primary trigger for audit is the rate delta — if the corporate rate is close to BAR, staff see no reason to challenge." IBS falls in this low-delta category at most US domestic properties."
— AeroPenguin Marriott code list; hotelcorporatecodes.com; FlyerTalk enforcement thread
"I have a close friend who is a GM at a Marriott property in a fairly large US city (top 25 metro population). Their opinion is basically, "Hey, it's business. I'm not turning away a paying guest if they don't have the right ID." In this person's younger days as a front desk agent, they enjoyed catching people trying to use a corporate rate that the guest was not entitled to. As they became higher up and saw the books, occupancy rates, etc... Corp ID's became far less important than filling rooms."
— FlyerTalk_User
"I think the generic 'show corp id' designation means show the company business card. I think a lot of us don't have them or, if we do & we're not going to an office that we'd need to show them, leave them at home. I worked for some F500s that didn't require corp ids with shiny smiling faces on them & others that did; same with company credit cards. All, however, provided biz cards when working for them."
— FlyerTalk_User