All sections of this Limited Power of Attorney (POA) Form must be completed in order for it to be valid. All signatures must be handwritten.To transfer a vehicle's Certificate of Title using a POA, the original title is required as an attachment to the application. In today's video I'm going to show you how to correctly fill out a Massachusetts title when buying or selling your car privately. To transfer a vehicle with a power of attorney document, you need to draw up that document first. How to fill out the Massachusetts Vehicle Owner's Limited Power of Attorney? 1. Read the instructions thoroughly. 2. 1. A copy of the decedent's death certificate; 2. The decedent's original certificate of title; and 3. Edit, sign, and share Power of Attorney for Sale of Motor Vehicle - Massachusetts online.