(a) Any will may be simultaneously executed, attested, and made self-proved, by acknowledgment thereof by the testator and affidavits of the witnesses, each made before an officer authorized to administer oaths under the laws of the state where execution occurs and evidenced by the officer's certificate, under official seal, in substantially the following form:

"I, _____, the testator, sign my name to this instrument this ______ day of _____, 19__, and being first duly sworn, do hereby declare to the undersigned authority that I sign and execute this instrument as my last will and that I sign it willingly (or willingly direct another to sign for me), that I execute it as my free and voluntary act for the purposes therein expressed, and that I am 18 years of age or older, of sound mind, and under no constraint or undue influence."

"We, _____, the witnesses, sign our names to this instrument, being first duly sworn, and do hereby declare to the undersigned authority that the testator signs and executes this instrument as his last will and that he signs it willingly (or willingly directs another to sign for him), and that each of us, in the presence and hearing of the testator, hereby signs this will as witness to the testator's signing, and that to the best of our knowledge the testator is 18 years of age or older, of sound mind, and under no constraint or undue influence."

Subscribed, sworn to and acknowledged before me by _____, the testator and subscribed and sworn to before me by _____, and _____, witnesses, this _____ day of _____, 19__.

(b) An attested will may at any time subsequent to its execution be made self-proved by the acknowledgment thereof by the testator and the affidavits of the witnesses, each made before an officer authorized to administer oaths under the laws of the state where the acknowledgment occurs and evidenced by the officer's certificate, under the official seal, attached or annexed to the will in substantially the following form:

We, ______, ______, and _____, the testator and the witnesses, respectively, whose names are signed to the attached or foregoing instrument, being first duly sworn, do hereby declare to the undersigned authority that the testator signed and executed the instrument as his last will and that he had signed willingly (or willingly directed another to sign for him), and that he executed it as his free and voluntary act for the purposes therein expressed, and that each of the witnesses, in the presence and hearing of the testator, signed the will as witness and that to the best of his knowledge the testator was at that time 18 years of age or older, of sound mind and under no constraint or undue influence."

Subscribed, sworn to and acknowledged before me by _____, the testator, and subscribed and sworn to before me by _____, and _____, witnesses, this _____ day of _____, 19_____.

(c) If the will is self-proved, as provided in this section, compliance with signature requirements for execution is conclusively presumed, other requirements of execution are presumed subject to rebuttal without the testimony of any witness, and the will shall be probated without further proof, unless there is proof of fraud or forgery affecting the acknowledgment or affidavit.