what does the third certainty state?
There is a requirement that the beneficiaries of a trust, known as the objects, be certain. Within express trusts this is a particularly complex area, because the test used to determine certainty varies between fixed trusts, mere powers and discretionary trusts.
Three certainties
There is a requirement that the beneficiaries of a trust, known as the objects, be certain. Within express trusts this is a particularly complex area, because the test used to determine certainty varies between fixed trusts, mere powers and discretionary trusts. 
inland revenue commissioners v broadway cottages trust 1955 ch 20 It states that if there are any potential beneficiaries who the trustees are not certain of, or the trustees cannot compile a complete list, the trust is void for uncertainty. what is this three certainties all about? It refers to a rule within English trusts law on the creation of express trusts that, to be valid, the trust instrument must show certainty of intention, subject matter and object. what is the above-mentioned instrument all about? It is an instrument in writing executed by a settlor used to constitute a trust. who is the settlor in this case? He is a trustor, or occasionally, a grantor or donor. who created these certainties? UNANSWERABLE list those three certainties. Certainty of intention", "Certainty of subject matter" and "Certainty of object". what does the first certainty state? To create an express trust without being aware that one is doing so, so long as the court can determine from the person's intention that a beneficial entitlement should be conferred which the law will enforce. what does the second certainty state? It is a requirement that the subject matter be certain — that the property intended to be in the trust be separated from other property, showing clarity in what is intended to be trust property. If there is no clear separation, the trust will fail.
wiki:9190483
Three certainties [SEP] Certainty of objects
There is a requirement that the beneficiaries of a trust, known as the objects, be certain. Within express trusts this is a particularly complex area, because the test used to determine certainty varies between fixed trusts, mere powers and discretionary trusts. Fixed trusts are trusts for a specific, named list of individuals, with Alastair Hudson giving the example of "£10,000 to be held upon trust equally for the complete team of 11 Sunderland Football Club players who started the 1992 Cup Final at Wembley". The test for fixed trusts is that the trustees must be able to give a complete list of the beneficiaries, as laid down in "IRC v Broadway Cottages".