Businesses may also require additional identification or credit checks when using debit cards. See CRP-CD-81 (attached), Annex to Chapter 2, Concession Contracts, for excerpts from the IAH Car Rental Agreement on Credit Card Acceptance. 2.7.6 Double Branding Privileges Currently, Avis and Budget are both owned by avis Budget Group, while Alamo and National are both owned by Vanguard Car Rental. Under more recent agreements, these brands may wish to operate two brands under the same contract. Dealers might also want capacity to separate in the future when a brand is sold or discontinued. See CRP-CD-81 (attached), Annex to Chapter 2, Concession Agreements, for excerpts from the MWAA Car Rental Agreement. .