Scope of Part III: limits on benefits

     50.  - (1) This Part makes provision for benefits to be paid to or in respect of members which are additional to those set out in Part II.

    (2) No arrangements may be made under this Part as a result of which-

(a) the contributions payable by members;

(b) the years of membership which a member may count;

(c) the benefits payable to or in respect of members,

exceed the amounts specified in Schedule 4.