5. Where a person is no longer willing to accept the use of electronic communications for any purpose of these Regulations which is capable of being carried out electronically, that person must give notice in writing—
(a)withdrawing any address notified to the Secretary of State or to a local planning authority for that purpose; or
(b)revoking any agreement entered into or deemed to have been entered into with the Secretary of State or with a local planning authority for that purpose,
and such withdrawal or revocation is final and takes effect on a date specified by the person in the notice but not less than 7 days after the date on which the notice is given.