You can apply for the right to deal with the benefits of someone who can't manage their own affairs. This can be because they're mentally incapable or severely disabled.
An appointee can be:
an individual, like a friend or relative
an organisation or a representative of an organisation, such as a solicitor or local council.
Visit GOV.UK to find out about becoming an appointee for someone claiming benefits.
You'll find information on:
how to apply to become an appointee
how to stop being an appointee
Tax credits and Child Benefit
There are different processes for becoming an appointee to claim and deal with someone else's: