20. There shall be paid out of the National Insurance Fund into the Consolidated Fund, at such times and in such manner as the Department of Finance and Personnel may direct, such sums as the Department may estimate (in accordance with any directions given by the Department of Finance and Personnel) to be the amount of the administrative expenses incurred by the Department under[F1 paragraph 16]F1 of Schedule 6 excluding any category of expenses or payments which the Department of Finance and Personnel may direct, or any statutory provision may require, to be excluded from the Department's estimates under this Article.