North Carolina Administrative Code Title 17 — Revenue 17 NCAC 06A .0105 — Income Tax Withholding Last amended: Authority G.S. 105-133 to 105-163.24; 143B-10; 143B-221; Eff. February 1, 1976; Amended Eff. June 1, 1990; Repealed Eff. June 1, 1993. Source: official text