Yes. A will, codicil, or revocation may be made self-proved as provided in this section.
(a) A will, codicil, or revocation may be made self-proved by the testator and attesting witnesses at the time of its execution.
(b) The testator and the attesting witnesses must sign the required affidavits before an officer authorized to administer oaths, and the affidavits must be attached to the will, codicil, or revocation.