Board of Social Work Examiners Code of Ethics 12 AC 18.150. Social Worker Code of Ethics. A social worker licensed in this state shall adhere to the code of ethics adopted by the Board of Social Work Examiners under this section. The Board hereby adopts the Code of Ethics of the National Association of Social Workers, Inc., 1999 edition, as the code of ethics for social workers licensed in this state. Consumer Brochure