21. All members shall be required to pay annual membership fees, to be determined by their individual chapters and approved by the Executive Committee from time to time. Chapter members shall submit fees to their local branch, 10% of which shall be allocated to the IMA-WF, as determined by the Executive Committee from time to time. Members not belonging to any chapter shall submit their fees directly to the IMA WF, in an amount corresponding to the 10% of the fees charged for chapter members in that country.