Complaint / Committee found unsatisfactory conduct / failure to provide terms of engagement / Lawyers and Conveyancers Act (Lawyers: Conduct and Client Care) Rules 2008, rule 3.4 / New Zealand Law Society v B [2013] NZCA 156, [2013] NZAR 970 / information for clients / preliminary assistance / existence of retainer / HELD / lawyer failed to provide required information / lawyer retained by client / Committee’s decision modified / section 211(1)(a)