It is assumed that the query relates to the revocation of an ordinary power of attorney in the context of a commercial, business-to-business transaction. Revocation of a Power of Attorney A general power of attorney is capable of revocation in the following circumstances: • expressly, on notice by the donor to the donee • impliedly, where the donor’s acts are inconsistent with the authority of the power of attorney continuing • by effluxion of time • the death, mental incapacity, bankruptcy, winding up or dissolution of the donor • on the fulfilment or frustration of the purpose of the power of attorney Where a power of attorney has been expressed to be irrevocable, and is given to secure: • a proprietary interest of the attorney, or • the performance