29 C.F.R. § 406.2

(a) Every person who as a direct or indirect party to any agreement or arrangement with an employer undertakes, pursuant to such agreement or arrangement, any activities where an object thereof is, directly or indirectly, (1) to persuade employees to exercise or not to exercise, or to persuade employees as to the manner of exercising, the right to organize and bargain collectively through representatives of their own choosing; or, (2) to supply an employer with information concerning the activities of employees or a labor organization in connection with a labor dispute involving such employer, except information for use solely in conjunction with an administrative or arbitral proceeding or a criminal or civil judicial proceeding; shall, as prescribed by the regulations in this part, file a report with the Office of Labor-Management Standards, and one copy thereof, on Form LM-20 1 entitled “Agreement and Activities Report (required of persons, including labor relations consultants and other individuals and organizations)” in the detail required by such form and the instructions accompanying such form and constituting a part thereof. The report shall be filed within 30 days after entering into an agreement or arrangement of the type described in this section. If there is any change in the information reported (other than that required by Item C. 10, (c) of the Form), it must be filed in a report clearly marked “Amended Report” within 30 days of the change.

(b) The report shall be signed by the president and treasurer or corresponding principal officers of the reporting person. If the report is filed by an individual in his own behalf, it need only bear his signature.