The Commonwealth Association of Surveying and Land Economy (CASLE) is an international organisation of professional associations of the surveying, land economy and allied professional disciplines within the commonwealth. Governed by a quintessential General Assembly and administered by a management board, CASLE, with a membership of over 50 countries, has the following aim and objectives.
- To maintain and strengthen professional links between commonwealth countries with the aim of assisting each country of achieve the scale, quality and integrity of resource management services that it requires.
- To foster the establishment of professional societies in countries where none already exists, and to promote their usefulness for public advantage.
- To foster appropriate standards of education and the establishment or appropriate training facilities and professional qualifications.
- To evaluate educational standards with the aims of coordinating rights of professional practice and of facilitating reciprocity of qualifications.
- To collect and circulate non-technical information regarding the professions concerned with land and marine resource management and their activities in different countries, to foster the development of research and technical information services, and to encourage the interchange of technical information on a Commonwealth scale.
- To encourage and assist with the interchange of students and to foster an appointment advisory service.
- To facilitate personal contact within the professions and
- To undertake such other activities as the Association may, from time to time, consider desirable for the furtherance of the proceeding objects related thereto.
- Membership is open to all professional societies in Commonwealth Countries.
- The association also admits to membership such other organisations in the Commonwealth as the General Assembly may approve.
- The Association is a voluntary organisation and a member society can be permitted to leave the association after giving three months notice of intention to resign.


