Learn the steps in a real estate transaction and what happens with sale of property. Find a real estate lawyer.Use the Tax Department's POA web application to quickly and accurately complete and submit Form POA1, Power of Attorney! Selling a property is often a complex and timeconsuming process involving various legal and logistical aspects. A power of attorney gives one or more persons the power to act on your behalf as your agent. The power may be limited to a particular activity. (a) CAUTION TO THE PRINCIPAL: Your Power of Attorney is an important document. Read instructions on the back before completing this form. For estate tax matters, use Form ET-14, Estate Tax Power of Attorney. If property is owned jointly with others, give names of joint owners and their relationship to the incapacitated person.