15 Pa.C.S. § 9318

If any agent or employee of the association engaged for the purpose of rendering professional services or any associate becomes legally disqualified to render professional services, the agency or employment shall be immediately terminated upon disqualification and, in the case of an associate, the associate shall be immediately expelled from the association. The expelled associate shall have the right to transfer his interest in the association in accordance with section 9312 (relating to transfer of interests).