Mr. Stephen Twigg: To ask the Chancellor of the Duchy of Lancaster what plans his Department has to extend benefits currentlyenjoyed by spouses of members of the principal civil service pension scheme to partners of members who are the same sex or a commonlaw spouse. [11829]Dr. David Clark: Any extension of benefits would have a cost and could be made only if there is a willingness on the part of schememembers to meet the cost in full.