17.
—(1) If in the exercise of its discretion the Committee considers such a course desirable or expedient it may in the month of January in any year cause the Fund to be valued as on 31st December next preceding.
(2) Any surplus ascertained as the result of any such valuation shall be allocated in proportion to the totals respectively appearing at the last-mentioned date in —
(a)
each member’s Contributions Account;
(b)
each member’s Donations Account; and
(c)
the Reserve Account,
and each of such totals shall be increased accordingly.
(3) If it so thinks fit, the Committee may make or cause to be made a valuation and apportionment similar to that provided for in paragraph (1) at any time when a member’s account has to be dealt with under rule 14(4) or at any other time.
(4) Every valuation and apportionment made pursuant to this rule shall be final and binding on the Board and on each and every member.