A person with a disability, as defined in G.S. 168A-3(7a), may use a registered signature facsimile as a proper mark of the person's legal signature. An example of the signature facsimile shall be registered by the person with a disability with the clerk of the superior court in the county where the person lives. The registered signature facsimile may be revoked at any time in writing by the person with a disability.
N.C. Gen. Stat. § 22A-1