The three categories of membership in the Institute are:
An Associate Member must be at least 21 years of age and hold such professional qualifications or have passed such examinations as may be prescribed by the Council. An Associate is not entitled to vote at any General Meeting of the Institute. An entrance fee of $150.00 and an annual subscription fee of $85.00 are payable. An Associate Member is entitled to affix the initials "ASIArb" after his name.
A Member must be at least 25 years of age and generally, must have passed the written examination of the International Entry Course of the Institute. This course introduces candidates to the basic principles, concepts and laws which apply to commercial arbitration. The relevant Singapore laws are also covered. Through a series of lectures and tutorials, the course also allows for discussion of practical issues encountered in arbitration. The course is held over a period of 3 days. An entrance fee of $200.00 and an annual subscription fee of $110.00 are payable. A Member is entitled to affix the initials "MSIArb" after his name.
A Fellow must be at least 35 years of age and must demonstrate a wide knowledge and experience of the law and practice of arbitration. He should have passed a written examination of a Fellowship course (or such other advanced course or examination as the Council may prescribe). This course entails advanced knowledge of arbitration law and practice which includes an award-writing examination. The entrance fee is $250.00 while the annual subscription fee is $175.00. A Fellow is entitled to affix the initials "FSIArb" after his name.