Beginning January 1, 2015, powers of attorney in the state of Pennsylvania will require two witnesses and notarization. Any power of attorney signed prior to January 1, 2015 will not need to meet these requirements, and there is no need to sign new ones simply to meet the new law's requirements. The law itself is Act 95 of 2014. To see the actual changes, click here. Specific changes made include: EXECUTION A third party may sign a power of attorney on behalf of a principal i