Answer:
Durable Power of Attorney.
Explanation:
'Durable Power of Attorney' is described as the document that allows a worthy/trusted individual to acquire the assigned authority to handle a person's property affairs if he/she becomes mentally incapable. It states that if the agent's power remains effective even in such a situation when principal becomes mentally incompetent. It reveals that if the agent continues to take decisions after this or the authority has been transferred or assigned to another trustworthy person. Therefore, it is known as 'durable power of attorney'.