International rental agencies in Iraq require a major physical credit card (Visa or Mastercard) in the primary driver's name to hold a security deposit via pre-authorization. While local agencies accepting cash exist, major providers rely strictly on card pre-authorizations for insurance guarantees. For fuel and general driving expenses on the road, Iraqi gas stations accept cash payments in Iraqi Dinars (IQD). For more: Renting a Car in Iraq: Driving Permits, Road Safety, and Checkpoints