Juliane Sonntag / Photothek / Getty Images A codicil is an addendum to a will that's used to change the provisions in the will. A codicil is an addendum of any kind to a will. Codicils can alter ...

And in some cases, a codicil may not be the best way to amend your will. Need help planning your estate? Connect with a financial advisor today and see how they can potentially assist.