(a) Statements as to retainers; blank retainers. (1) Every attorney who, in connection with any action or claim for damages for personal injury or for property damages, or for death or loss of services resulting from personal injuries, due to negligence or any type of malpractice or in connection with any claim in condemnation or change of grade proceedings, accepts a retainer or enters into an agreement, express or implied, for compensation for services rendered or to be rendered in such action