The Rhode Island Durable Power of Attorney Form continues to work even if the Principal is diagnosed with dementia, rendered comatose or otherwise rendered incapable of making their own decisions. This agreement is usually classified as Springing, IE it will only take effect after the Principal has been declared incapacitated by a doctor.
The Principal should be aware that Durable Power of Attorney that it is extremely rare for a Durable Power of Attorney agreement to be declared invalid in Rhode Island, unless the Principal revokes it or the Agent is unable to fulfill their duties. If the Principal and Agent are spouses and get a divorce, the agreement will not automatically be terminated. While in some (rare) cases this may cause a court to declare the agreement invalid, it is much simpler for the Principal to voluntarily revoke the agreement in this case.