N.C. Gen. Stat. § 147-69.8
Whenever the General Assembly broadens the investment authority of the State Treasurer as to the General Fund, the Teachers' and State Employees' Retirement System, the Consolidated Judicial Retirement System, the Firefighters' and Rescue Squad Workers' Pension Fund, the Local Governmental Employees' Retirement System, the Legislative Retirement System, the North Carolina National Guard Pension Fund, or any idle funds, the State Treasurer shall annually report in detail to the General Assembly the investments made under such new authority, including the returns on those investments, earnings, changes to value, and gains and losses in disposition of such investments. The report shall be made no later than the first six months of each calendar year, covering performance in the prior fiscal year. As to each type of new investment authority, the report shall be made for at least four years. To the extent the information required by this section is also required in the reports under G.S. 147-69.12, the State Treasurer may combine reports or make cross-reference to those reports.
N.C. Gen. Stat. § 147-69.8