Review of Enduring Power of Attorney – principal made and subsequently revoked several enduring power of attorney and enduring guardianship appointments – principal has early stage dementia – significant assets in Australia and the United Kingdom – review of the making of the enduring power of attorney – finding that the principal had the mental capacity to make a valid enduring power of attorney – review of the operation and effect of an enduring power of attorney – relationship between attorneys irretrievably broken down – attorneys unable to act jointly or severally to make decisions in the principal’s best interests – Tribunal exercises discretion to make an order under s 36(4)(f) of the Powers of Attorney Act – enduring power of attorney revoked. Review of Revocation of an Enduring Power Of Attorney – Tribunal exercises discretion to make an order under s 36(3A)(a) of the Powers of Attorney Act – finding that the principal had the mental capacity to revoke a power of attorney. Review of Enduring Guardianship – principal appointed two enduring guardians jointly and severally – relationship between enduring guardians irretrievably broken down – one of the appointed enduring guardians does not have a personality generally compatible with the principal – principal expressed clear wishes about who she wanted to appoint as her enduring guardian – decision to revoke the enduring guardianship appointment to remove one of the enduring guardians.