Updated April 2026 · Save 15-25% on your rental
Contract ID Number
National counter agents are highly trained to audit UAB corporate codes. If you cannot provide a physical employee ID or verifiable corporate email, your reservation will immediately default to the inflated walk-up rate.
Find Safe Public Codes via AI →Yes, National routinely audits UAB Contract ID usage. You should be prepared to present a valid employee badge, corporate email verification, or business card at the rental counter. Failure to provide ID may result in your reservation reverting to the standard walk-up rate.
The UAB Contract ID (UC212177) is primarily intended for business travel. While some corporate codes allow leisure use, National agents may request proof of employment. For leisure travel without ID checks, consider using public promotional codes or our AI-recommended alternatives.
The National Contract ID for UAB is UC212177. This code provides 10-25% discount on car rentals. Enter this code in the Contract ID field during checkout at National.com or present it at the counter.