The contributions of the two new Members for 1977 and 1978 shall be applied to the same basis of assessment as for other Member States, except that in the case of appropriations approved under General Assembly resolutions 31/5 C and D of 22 December 1976 and 32/4 B and C of 2 December 1977 for the financing of the United Nations Emergency Force and the United Nations Disengagement Observer Force, and under Assembly resolution S-8/2 of 21 April 1978 for the financing of the United Nations Interim Force in Lebanon, the contributions of those States ( as determined by the group of contributors to which they may be assigned by the Assembly) shall be calculated in proportion to the calendar year;