| (a) | - | where all the beneficiaries are competent to contract - by their consent; |
| (b) | - | where the trust has been declared by a non-testamentary instrument or by word of mouth-in exercise of a power of revocation expressly reserved to the author of the trust; or |
| (c) | - | where the trust is for the payment of the debts of the author of the trust, and has not been communicated to the creditors-at the pleasure of the author of the trust. |