If the new will disposes of only part of the testator's property, then it is treated as a codicil, which is a document to revise a will. Revoking a will revokes all codicils to the will; however, revoking a codicil does not revoke the will or other codicils to the will.

Can a codicil be contested?

Yes, a Will or Codicil to a Will can be contested but only for very specific legal reasons. A Codicil is used when only small changes need to be made. The only difference is that a new Will replaces previous ones whereas a Codicil is read in conjunction with the Will.

Is a codicil legally binding?

No, codicils don't have to be notarized to be legally binding in almost every state. ... Just like your will, your codicil does need to be witnessed to be a valid document. Witnessing laws vary from state to state, but most require two witnesses when signing.