43 C.F.R. § 20.501
Employees of the Department are expected to maintain especially high standards of honesty, integrity, impartiality, and conduct to ensure the proper performance of Government business and the continual trust and confidence of citizens in their Government. Employees are expected to comply with all Federal statutes, Executive Orders, Office of Government Ethics and Office of Personnel Management regulations, and Departmental regulations. The conduct of employees should reflect the qualities of courtesy, consideration, loyalty to the United States, a deep sense of responsibility for the public trust, promptness in dealing with and serving the public, and a standard of personal behavior which will be a credit to the individual and the Department. These principles apply to official conduct and to private conduct which affects in any way the ability of the employee or the Department to effectively accomplish the work of the Department.
43 C.F.R. § 20.501