N.C. Gen. Stat. § 123-7: When President of Senate impeached, another officer chosen.

If the President of the Senate be impeached, notice thereof shall immediately be given to the Senate by the House of Representatives, in order that another President may be chosen. (1868-9, c. 168, s. 14; Code, s. 2935; Rev., s. 4631; C.S., s. 6250.)