In such circumstances as may be specified, the Secretary of State may require security to be given, with respect to a person applying for entry clearance, before clearance is given.
In such circumstances as may be specified—
"Security" means—
with a view to securing that the applicant will, if given leave to enter the United Kingdom for a limited period, leave the United Kingdom at the end of that period.
Immigration rules must make provision as to the circumstances in which a security provided under this section—
No security provided under this section may be forfeited or otherwise realised unless the person providing it has been given an opportunity, in accordance with immigration rules, to make representations to the Secretary of State.
Immigration rules may, in particular—
"Specified" means specified by immigration rules.
Any security forfeited or otherwise realised by the Secretary of State under this section must be paid into the Consolidated Fund.