Under paragraph 8 of Decision No. 4377-(74/114), adopted September 13, 1974, the charge of ¼ of 1 percent per annum imposed by paragraph 5(a) of Decision No. 270-(53/95), adopted December 23, 1953, as amended, shall be payable to the Fund in advance of each year of an extended arrangement on the amount that could be purchased during that year.