The following shall be added at the end of section 144 of the Immigration and Asylum Act 1999 (c. 33) (collection of data about external physical characteristics) (which becomes subsection (1))—

“(2)

In subsection (1) “external physical characteristics” includes, in particular, features of the iris or any other part of the eye.”

The following shall be inserted after section 145(2) of that Act (codes of practice)—

“(2A)

A person exercising a power under regulations made by virtue of section 144 must have regard to such provisions of a code as may be specified.”