Highly specialised auditing work. An employee in this class is required to perform highly specialised auditing work relating to the investigation and examination of taxpayers returns. Work involves the auditing of tax returns in respect of the larger companies and examination of their accounting records to ensure compliance with the regulations. Work also involves supervision and direction of the work of a group of subordinates engaged in similar duties but in the less difficult assignments. Work is performed with considerable independence and is reviewed by a superior officer for compliance with tax laws and departmental policies through inspections, reports, and meetings.