A person must execute a valid will in order to dispose of his or her estate after death. But what should be included in that will? Generally, a testator should follow certain doctrines when altering or making references in a will. Today, you’ll be learning about the common doctrines that affect the integration of wills.

To start off our discussion, we’ll take a look at what’s in a will, covering the doctrine of integration and republication by codicil. After that, we’ll discuss when a will...