19Revocation of powers of attorney for security

19 Revocation of powers of attorney for security As long as— (a) the attorney under a power of attorney for security has the proprietary interest that is secured by the power; or (b) the obligation owed to an attorney under a power of attorney for security is undischarged— the following paragraphs apply to the power of attorney for security— (c) it is not capable of being revoked by the principal, without the consent of the attorney; (d) it is not revoked— (i) by the death of the principal; or (ii) by the principal not having capacity; or (iii) by the principal becoming insolvent under administration; or (iv) if the principal is a body corporate, by the winding up or dissolution of the principal.