My Macmillan

Jargon buster


A person who is given the power to manage someone else’s affairs.

Mental capacity

The ability to make a particular decision for yourself.

Ordinary Power of Attorney

A legal arrangement giving someone else the power to manage your financial affairs for you for a set time. It automatically stops if you lose mental capacity.

Long-term Power of Attorney

The legal power to manage someone’s financial affairs for them. This power ends if the person whose affairs you are managing dies.