Miss. Code § 73-3-351
Proceedings to determine whether an attorney is personally incapable to practice law shall be instituted and conducted in the same manner and upon the same procedure as disciplinary proceedings, except as otherwise set out in Sections 73-3-347 through 73-3-365. In addition to, and without exclusion of, any other circumstances, cause to believe that an attorney may be personally incapable to practice law shall exist whenever information is received that such member (a) has interposed successfully a defense of mental incompetence to secure abatement of, or to defeat an adverse determination in, a disciplinary proceeding brought against him in any tribunal in any jurisdiction, (b) has defended, upon like grounds, a suit brought against him in any tribunal in any jurisdiction, (c) has been judicially declared incompetent, or (d) has been legally committed to an institution for the treatment of mental illness.
Miss. Code § 73-3-351