s 30 Proof of right of abode
For section 3(9) of the Immigration Act 1971 (c. 77) (proof of right of abode) substitute— (9) A person seeking to enter the United Kingdom and claiming to have the right of abode there shall prove it by means of— (a) a United Kingdom passport describing him as a British citizen, (b) a United Kingdom passport describing him as a British subject with the right of abode in the United Kingdom, (c) an ID card issued under the Identity Cards Act 2006 describing him as a British citizen, (d) an ID card issued under that Act describing him as a British subject with the right of abode in the United Kingdom, or (e) a certificate of entitlement.