Administrators:
American Society for Public Administration
http://www.aspanet.org/public/ASPA/About_ASPA/Code_of_Ethics/ASPA/Resources/Code_of_Ethics/Code_of_Ethics1.aspx?hkey=222cd7a5-3997-425a-8a12-5284f81046a8

Lawyers:
International Municipal Lawyers Association
http://www.cityethics.org/sites/cityethics.org/files/IMLA%20model.pdf

Managers:
International City/County Management Association
https://icma.org/icma-code-ethics

Mayors:
City Mayors Foundation
http://www.citymayors.com/gratis/code-ethics.html

Planners:
American Planning Association
https://www.planning.org/ethics/ethicscode.htm

Public Works:
American Public Works Association
https://www2.apwa.net/documents/organization/standardsofconduct.PDF