Except as provided in paragraph (b), a lawyer shall not represent a client if the representation involves a concurrent conflict of interest. For example, a lawyer who receives from opposing counsel an offer of settlement in a civil controversy or a proffered plea bargain in a criminal.Among the least appetizing court appearances that an attorney must make is a motion to withdraw his or her representation from a client's case. Yes it is required to provide your documents etc. , to the opposing side, that you are planning to use in trial to support your case. The Massachusetts Trial Court Law Libraries make every effort to provide a current, accurate copy of the rules of court on this site.