SC Code § 62-2-503 (2021)
2021 South Carolina Code of Laws|Title 62 - South Carolina Probate Code|Article 2 - Intestate Succession And Wills|Section 62-2-503. Attestation and self-proving.

 (a) Any will may be simultaneously executed, attested, and made self-proved. The self-proof shall be effective upon the acknowledgment by the testator and the affidavit of at least one witness, 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 the following form or in a similar form showing the same intent:  I, __________, the testator, sign my name to this instrument this ___ day of __________, 20___, 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 eighteen years of age or older (or if under the age of eighteen, am married or emancipated as decreed by a family court), of sound mind, and under no constraint or undue influence.  We, __________ and __________, the witnesses, sign our names to this instrument, and at least one of us, being first duly sworn, does hereby declare, generally and 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 eighteen years of age or older (or if under the age of eighteen, was married or emancipated as decreed by a family court), of sound mind, and under no constraint or undue influence.  (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 affidavit of at least one witness, 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 the following form or in a similar form showing the same intent:  The State of __________ County of __________ We, __________ and __________, the testator and at least one of 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 to the best of his knowledge the testator was at that time eighteen years of age or older (or if under the age of eighteen, was married or emancipated as decreed by a family court), of sound mind, and under no constraint or undue influence.  (c) A witness to any will who is also an officer authorized to administer oaths under the laws of this State may notarize the signature of the other witness of the will in the manner provided by this section.  HISTORY: 1986 Act No. 539, Section 1; 1987 Act No. 171, Section 12; 1988 Act No. 659, Section 15; 2013 Act No. 100, Section 1, eff January 1, 2014.  Effect of Amendment  The 2013 amendment, in each form, inserted the parenthetical regarding age, marriage and emancipation.