Members of the House of Commons must be mindful of their obligations under the Conflict of Interest Code for Members of the House of Commons when writing letters of support on behalf of individuals and businesses in their ridings or assisting them in their dealings with public sector entities.
They are prohibited under the Code from using their position or acting in any way to improperly further their constituents' private interests. They are also prohibited from using their position to influence another person or act in any way to further the private interest of a member of their family. Members are encouraged to contact their advisor in the Office of the Conflict of Interest and Ethics Commissioner for guidance.
Members of the House of Commons who are ministers or parliamentary secretaries must also be mindful of their obligations under the Conflict of Interest Act when writing letters of support.