Penalty / negligence for issuing seven inaccurate invoices / HELD / offending at moderate level of seriousness / conduct took place over long period of time and involved multiple errors / inaccuracies were not trivial / practitioner showed lack of responsibility or lack of insight, but did self-report to Law Society / one prior adverse finding of unsatisfactory conduct a weak aggravating factor / mitigating factors / references / community work / conduct not undertaken for personal gain / cooperated with disciplinary process / references given considerable weight as they provide insight into practitioner’s altruism, which endorses public confidence in profession / public protection not a factor as practitioner is retired and his conduct caused no harm / Tribunal ordered censure and $8,000 fine / practitioner to pay contribution towards Standards Committee’s costs ($12,500) and full Tribunal’s costs / permanent name suppression granted