A disbarred or suspended attorney shall promptly notify, or cause to be notified, by certified mail, return receipt requested, all clients being represented in pending matters, other than litigation or administrative proceedings, of the attorney's disbarment or suspension and consequent inability to act as an attorney after the effective date of the disbarment or suspension. The notice shall advise such clients to seek legal advice of the client's own choice elsewhere.
SDCL 16-19-78