21.— (1) A passport is false for the purposes of section 20 if it—

(a) purports to have been issued by the Minister who did not in fact issue it,

(b) purports to have been issued containing the F10[personal data] (including biometric F10[personal data]) that it contains by the Minister who did not in fact issue it containing those F10[personal data] (including biometric F10[personal data]), or

(c) purports to have been altered in any respect by the Minister who did not in fact alter it in that respect.

(2) A person shall be treated for the purposes of section 20 as making a passport that is false if he or she alters a passport so as to make it false in any respect (whether or not it is false in some other respect apart from that alteration).