18. Form and manner of giving, refusing or varying leave.

The Secretary of State1 may by order make further provision with respect to the form or manner in which leave to enter or remain in the United Kingdom may be given, refused or varied2. The Secretary of State has ordered that a notice giving or refusing leave to enter or remain or granting or refusing a variation of leave to enter or remain may be given by hand, facsimile, postal service to a postal address provided for correspondence by the person or their representative, electronic mail, document exchange or courier3. A notice giving or refusing leave to enter the