National Savings Scheme: interest set at 9% for Mar 2001-Feb 2002; reduced to 8.5% from 1 March 2002. The amendment prescribes that for 1 March 2001 to before 1 March 2002 interest is nine per cent per annum, allowed monthly on the lowest balance between the close of the tenth day and month-end and credited annually; from 1 March 2002 the same monthly calculation applies but at eight-and-a-half per cent per annum.