To change a notarial will, you need to go to the notary office to sign a new notarial will, and to change a notarial will, you need to go to the notary department. A notarized will refers to a will made by a testator before his life and notarized by a notary office. A testator may, within the scope permitted by law, make a personal disposition of his estate or other affairs in the manner prescribed by law, and take effect when the testator dies. Such disposition is a will.
In Article 20 of the Inheritance Law, a testator may revoke or change his will.
If there are several wills made, and the contents conflict with each other, the last one shall prevail.
A notarized will may not be revoked or altered by self written, proxy written, audio recorded or oral will.