33. Where a person is no longer willing to accept the use of electronic communications for any purpose which, under these Regulations, is capable of being carried out using such communications, that person must give notice in writing—
(a)withdrawing any address notified to the Scottish Ministers for that purpose; or
(b)revoking any agreement entered into or deemed to have been entered into with the Scottish Ministers,
and such withdrawal or revocation will be final, and will take effect on a date specified by the person in the notice, being a date occurring after the period of seven days, beginning with the date on which the notice is given.