(a) Employees shall not use Government time, money, or property to petition a Member of Congress to favor or oppose any legislation. This prohibition does not apply to the official handling, through the proper channels, of matters relating to legislation in which the Department of the Treasury has an interest.
(b) Employees, individually or collectively, may petition Congress or Members of Congress or furnish information to either House of Congress when not using Government time, money or property (5 U.S.C. 7211).