(2) No monies shall be withdrawn from any public fund of Uganda other than the Consolidated Fund, unless the issue of those monies has been authorised by law. (3) No monies shall be withdrawn from the Consolidated Fund unless the withdrawal has been approved by the Auditor General and in the manner prescribed by Parliament. (4) If the President is satisfied that the Appropriation Act in respect of any financial year will not or has not come into operation by the beginning of that financial year, the President may, subject to the provisions of this article, authorise the issue of monies from the Consolidated Fund Account for the purposes of meeting expenditure necessary to carry on the services of the Government until the expiration of four months from the beginning of that financial year or the coming into operation of the Appropriation Act, whichever is the earlier. (5) Any sum issued in any financial year from the Consolidated Fund Account under clause (4) of this article in respect of any service of the Government— (a) shall not exceed the amount shown as required on account in respect of that service in the vote on account approved by Parliament by resolution for that financial year; and (b) shall be set off against the amount provided in respect of that service in the Appropriation Act for that financial year when that law comes into operation. 155. Financial year estimates. (1) The President shall cause to be prepared and laid before Parliament in each financial year, but in any case not later than the fifteenth day before the commencement of the financial year, estimates of revenues and expenditure of Government for the next financial year. (2) The head of any self-accounting department, commission or organisation set up under this Constitution shall cause to be submitted to the President at least two months before the end of each financial year estimates of administrative and development expenditure and estimates of revenues of the respective department, commission or organisation for the following year.