Final answer:
The authorization for someone to act on behalf of an incapacitated individual with regard to property and financial matters is provided by the durable power of attorney.
Step-by-step explanation:
The authorization for someone to act on behalf of an incapacitated individual with regard to property and financial matters is provided by the durable power of attorney. A durable power of attorney is a legal document that grants someone the authority to make financial decisions on behalf of another person in the event that they become incapacitated. It is different from a medical power of attorney, which focuses on healthcare decisions, and a living will, which outlines a person's medical wishes.