eligible for a further consecutive term of office as President. The choice of person to become 
President shall not otherwise be restricted by virtue of any other office in the Society that he 
holds or has held in the past. 
An outgoing member of Council shall not be eligible for election to any office on the incoming 
Council other than to that of President of the Society, Senior Vice-President or to that of 
Director of the Congress. After the lapse of one inter-congress period he shall again become 
eligible for election to the Council. 
Between meetings of the General Assembly the Council may consult Members by correspon- Reservation of powers 
dence or otherwise, but all questions relating to exclusion of a Member, lowering of the cate- 
gory in which a Member has joined, value of the unit of contribution, alteration of theStatutes 
or Bye-Laws, and dissolution of the Society or its amalgamation with another International 
organization must be referred to the General Assembly and decisions thereon shall be taken 
only by the General Assembly. 
8. The Congress shall consist of all the Photogrammetists who belong to a Member Organi- Congress 
zation and others who have been invited in accordance with the Bye-Laws. Participants 
The Congress shall normally meet every four years. Interval between meetings 
Congress shall be convened in plenary session at least once during the course of each Congress ~~ Plenary session 
to hear the decisions taken by the General Assembly and to decide the scientific policies of 
the Society. 
9. The activities of the Congress shall be prepared and carried through by a Congress Commit- ^ Congress Committee 
tee. The Director of the Congress shall be proposed by the Member organizing the Congress 
and shall be elected by the General Assembly or, in certain cases, by postal voting by the Mem- Election 
bers of the Society. All other members of the Congress Committee shall be appointed by the 
Member organizing the Congress. The Congress Committee shall have the responsibility of 
organizing the Congress on the administrative and financial levels. The Director of the Con- 
gress shall be consulted in the preparation of the scientific programme and the Congress 
Committee shall provide the necessary facilities. 
10. The Technical Commissions are responsible for the scientific work of the Society; they Technical 
shall report to the Congress in accordance with the various resolutions of the Congress. Commissions 
Responsibility for the work of each Technical Commission during the interval between two Members responsible 
successive Congresses shall be entrusted by the General Assembly to one of the Members or 
to a number of Members who have agreed to collaborate. The Member (or Members) con- 
cerned shall propose the President of the Commission. The President shall be elected by the 
General Assembly or, in case of necessity, by the Council. The Member (or Members) shall 
itself appoint the Board of the Commission and shall assume responsibility for the expenses 
of running the Commission, including those (not otherwise assured by authors or countries) 
of printing all reports of its Working Groups and of its other activities and its invited papers. 
Ill Finances 
11. There shall be eight categories of Membership. Each Member shall pay annually the contri- ^ Categories 
bution assigned to its category as defined by the number of Units of contribution in accordance 9f Member 
with the following table: 
  
Unit of contribution 
Category 1 2 3 4 5 6 7 8 
  
Number of Units 
of contribution 1 2 6 10 16 24 32 48 
  
  
  
  
  
  
  
  
  
The value of the Unit of contribution shall be fixed by the General Assembly. The value may be 
altered by the General Assembly only at one of its ordinary meetings held during the course 
of a Congress. 
12. Every application for membership from a country not yet represented in the Society shall be Application for 
addressed to the Secretary General and be accompanied by a description of the photo- Membership 
grammetric activities in the country concerned and of the nature of the organization making 
application, including specifically its statutes, its aims, its standing in the country, its relations 
with other organizations concerned in Photogrammetry, and its administrative and financial 
structure. The application shall state the category in which membership is requested. The 
category chosen should be broadly related to the number of Photogrammetrists and the uses 
made of Photogrammetry in the country concerned. If the Council considers the category 
proposed is inappropriate, the Secretary General shall return the application for reconsideration. 
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