In general there are four grounds to challenge the validity of your Last Will & Testament: I. Not Signed As Required by State Law: In Florida, your Will must be signed by you, the testator, or another person at the direction of and in the presence of you. You Will must be signed at the end of the document in the presence of at least two attesting witnesses. The witnesses must sign in your presence and in the presence of each other. Any Will may be “self-proved.” This is d