Many people are under the impression that since they have a trust, they don’t need to do anything else. That’s not true. The trust you created years ago may not be appropriate for you now.
Portability first emerged as an estate planning strategy in 2011 and 2012 from the Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010. It was made permanent by the American Taxpayer Relief Act of 2012.