Mississippi Code Title 1. Laws and Statutes § 1-3-61

The term “written,” when used in any statute, may include, but is not limited to, printing, engraving, and lithographing. In all cases where the signature of any person is required by law, it shall always be the proper handwriting of such person, or, in case he be unable to write, his proper mark, unless a different form of legal signature is specified in another statute.