In some instances such as in Australia and Scotland there may be a sharing responsibility of regulatory duties of the profession with a Regulatory Authority or Regulatory Commission. (slaw.ca)
Professional malpractice or professional negligence is when a professional deviates from the standard of care, or fails to perform the expected duties of their profession and causes harm to a person. (braininjurylaw.ca)
Counsel drew attention to r 2.01 (b) which required the solicitor without sufficient resources or lacking the necessary competence to cease to act, and he pointed out that it was an elementary core duty of the profession that a good standard of service should be provided for the client. (newlawjournal.co.uk)