The membership application, duly completed, must be submitted in PDF and in MS Word.
All Members of the Institute, except prospective members, pay annual Membership dues, the amount of which is established by the General Assembly on a proposal by the Board of Directors.
Dues are paid per fiscal year (from 1 August until 31 July). Members are in good standing when they are less than or equal to two years in arrears of Membership dues.
Corporate entities and other institutions actively engaged or otherwise interested in the field of space law or other social or scientific aspects related to space activities, may be nominated for Institutional Membership of the Institute by a Director or by three individual Members in good standing of the Institute.
Individuals distinguished by their contributions to or of proven interest in the field of space law or other social science aspects related to space activities may be nominated for Individual Membership to the Institute by a Director or by three Individual Members in good standing of the Institute.
Young professionals and other individuals who have demonstrated an interest in space law but do not yet meet the requirements for full membership may be nominated for Prospective Membership to the IISL by a Director or by three Individual Members in good standing.