A codicil is a supplement to a previous will that adds to, modifies, amends, or revokes one or more provisions of the earlier will. Laws regarding codicils vary from state to state and in some states a codicil may not replace an earlier will—but in some states it may.
In Nebraska, a codicil is recognized as a legal instrument that can be used to make changes to an existing will. According to Nebraska statutes, a codicil must comply with the same formalities as required for the creation of a will. This means that the codicil must be in writing, signed by the testator (the person making the will), and witnessed by at least two individuals who are present at the same time and who understand that the document is intended to be a will or a codicil to a will. A codicil can add to, subtract from, or modify the terms of the original will. It does not replace the entire will but only those provisions to which it specifically refers. If a testator wishes to make extensive changes, it may be advisable to create a new will rather than a codicil to avoid confusion and potential legal challenges after the testator's death.