The Secretary of State may make regulations about evidence relevant to the determination of any of the following questions for a purpose of this Part—
whether a person is a relevant national;
whether a person has the appropriate immigration status;
whether a person has a relevant visa.
The regulations may, in particular, make provision about—
the kind of evidence which is to be supplied;
the form in which evidence is to be supplied;
the manner in which evidence is to be supplied;
the period within which evidence is to be supplied;
the supply of further evidence;
the sufficiency of evidence supplied;
the consequences of failing to supply sufficient evidence in accordance with the regulations (including provision to secure that, in such a case, a particular decision is made or is to be treated as having been made);
the retention or copying of evidence supplied.
The Secretary of State must consult the Registrar General before making regulations under this section.
In this section "evidence" includes a photograph or other image.