This paper investigates an aspect of using iris recognition to authenticate a biometric passport. For this kind of authentication, two citizen’s iris will be captured and stored on a RFID (Radio Frequency Identification) chip within two other biometrics: face and fingerprint. This chip is integrated into the cover of a passport, called a biometric passport. By using the iris recognition, a process of biometric passport authentication was presented in this paper by using the extended acces control, and allows integrate the verification result of the iris, face and fingerprint recognition. .