6 of 2001 (3) when estimate of expenditure have been approved by the National Assembly, an Appropriation Bill shall be introduced in the National Assembly for the issue from the Consolidated Fund of the sums necessary to meet that expenditure (other than expenditure charge on the Consolidated Fund), under separate votes for the several services required and for the purposes specified there in. (3A) The National Assembly shall, within seven days of the introduction of the Appropriation Bill, give consideration to and pass the Bill. In addition to presenting the estimates for the following financial year, the President may cause to be prepared and presented to the National Assembly(a) fiscal and monetary programmes and plans for economic and social development covering periods exceeding one year, and (b) estimates of revenue and expenditure in respect of such programmes and plans. (4) Supplementary 153 Appropriation (5) The chief Justice and any other authority which is entitled to draw up its own estimates for presentation by the president to the National Assembly shall provides the President with such estimates at least ninety days before the end of the previous financial year. (6) An Act of the National Assembly may make provision to give effect to this section. (1) subject to section 154, if in respect of any financial year it is found that the amount appropriated under the Appropriation Act is insufficient or that a need has arisen for a purpose for which no amount has been appropriated by that Act a supplementary estimate showing the sums required shall be laid before the National Assembly before the expenditure has been incurred. (2) Where a supplementary estimate or estimates have been approved by the National Assembly, a supplementary appropriation Bill shall be introduced into the National Assembly for the appropriation of the sums so approved. Provided that the President shall not authorise any expenditure from the contingencies Fund in excess of one percent of the estimates approved by the National Assembly for the current year before he or she has caused a supplementary estimate in respect of such excess a expenditure to be presented to the Nation Assembly.