N.C. Gen. Stat. § 1-317: Sheriff's deed on sale of equity of redemption.

The sheriff selling equitable and legal rights of redemption shall set forth in the deed to the purchaser thereof that the said estates were under mortgage at the time of judgment, or levy in the case of personal property and sale. (1812, c. 830, s. 2, P.R.; 1822, c. 1172, P.R.; R.C., c. 45, s. 5; Code, s. 451; Rev., s. 631; C.S., s. 679.)