N.C. Gen. Stat. § 105-160.6: Time and place of filing returns.

An income tax return of an estate or a trust shall be filed as prescribed by the Secretary at the place prescribed by the Secretary. The return of every fiduciary reporting on a calendar year basis shall be filed on or before the 15th day of April in each year, and the return of every fiduciary reporting on a fiscal year basis shall be filed on or before the 15th day of the fourth month following the close of the fiscal year. A fiduciary may receive an extension of time to file a return under G.S. 105-263. (1989, c. 728, s. 1.38; 1989 (Reg. Sess., 1990), c. 984, s. 12; 1991 (Reg. Sess., 1992), c. 930, s. 7; 2024-28, s. 1.4(b).)