S.C. Code Ann. § 26-1-110: Notarizing a paper record.

When notarizing a paper record, a notary shall sign by hand in ink on the notarial certificate. The notary shall comply with the requirements of Section 26-1-90(B)(1) and (2). The notary shall affix the official signature only after the notarial act is performed. The notary may not sign a paper record using the facsimile stamp or an electronic or other printing method; except that a notary with a disability may use a signature stamp that depicts the notary's signature in a clear and legible manner, upon prior approval of the Secretary.