"Honda 100371240 is confirmed in the FlyerTalk IHG rate codes thread, where a moderator immediately responded: "Unless you're employed by one of those companies, I would avoid using these codes at all. They do often ask for ID." Honda employees travel heavily to IHG properties near manufacturing hubs (Ohio, Indiana, Alabama) which are predominantly Holiday Inn / Crowne Plaza tier — mid-range enforcement. The 9-digit code format is consistent with large-account codes that IHG's system flags for verification."

"FedEx Ground is one of several FedEx business unit codes in IHG's GDS system. The general FedEx IHG pattern documented on FlyerTalk: IHG has been "very careful" in recent years about verifying codes at full-service brands. FedEx Ground staff IDs are company-standard. Properties near FedEx Ground hubs (Indianapolis, Memphis) are more familiar with FedEx employee badges and may request them. Holiday Inn Express near distribution centers: essentially never check."

"This Deloitte code circulates widely among current and former staff. IHG auditing materials note that large firms like Deloitte and IBM have codes hard-coded into IHG's auditing software to trigger a request for ID. The "Stop at Desk" flag has been observed: certain high-value codes block issuance of a Digital Key until physical ID is presented at the front desk."