63.—(1) The prescribed persons to whom, under section 152 of the Act, the Department may furnish information as to the amount of guaranteed minimum pension to which it appears to the Department a person is immediately or prospectively entitled under a scheme or as to any other matter required for calculating that amount, are (in addition to the persons mentioned in that section)—
(a)the earner or widow or widower to whom the information relates;
(b)the employer in relation to the contracted-out employment of an earner to whom the information relates;
(c)any independent trade union recognised in relation to those earners who are members of a contracted-out scheme, and
(d)any person who is, or who in the opinion of the Department is likely to become, the responsible paying authority.
(2) Paragraph (1)(c) has effect subject to the condition that the information to be furnished is either—
(a)as to the total amount of the guaranteed minimum pensions to which it appears to the Department that all persons immediately or prospectively entitled under the scheme are so entitled, or
(b)to be furnished with the written consent of the earner or widow or widower to whom the information relates.