before disposition distribution granted revokes a. By a physical act of the maker-Intentionally tearing up, canceling, obliterating, or deliberately destroying part of all of a will amends _ or revokes b. By subsequent writing- 1. Codicil-A format, separate document that an existing will. 2. Second will, or new will-A new, properly expressly revoking the existing will. executed will C. By operation of law, 1. Marriage -Generally revokes a will written the marriage to the extent of providing for the spouse. 2. Divorce or annulment [A court's judgment that invalidates a marriage.]-Revokes of property made to the former spouse under a will made before the divorce or annulment. 3. Subsequently born child-It is inferred that the child is entitled to receive the portion of the estate under intestacy distribution laws