7.—(1) A person (“P”) who has become entitled to a state pension under Part 1 of the Act may opt to suspend P's entitlement if P gives notice to the Department.
(2) The manner in which the notice must be given is—
(a)in writing to an office which is specified to the person in writing by the Department as accepting any such notice; or
(b)by telephone to a telephone number which is specified to the person in writing by the Department as accepting any such notice.
(3) But the person must use the manner set out in paragraph (2)(a) where the Department directs in any particular case that that manner must be used.