Nothing contained in this part shall be construed to require:
(a) An employer to file a report unless said employer has made an expenditure, payment, loan, agreement, or arrangement of the kind described in section 203(a) of the Act;
(b) Any employer to file a report covering the services of any person by reason of his
(1) giving or agreeing to give advice to such employer or
(2) representing or agreeing to represent such employer before any court, administrative agency, or tribunal of arbitration or
(3) engaging or agreeing to engage in collective bargaining on behalf of such employer with respect to wages, hours, or other terms or conditions of employment or the negotiation of an agreement or any question arising thereunder;
(c) Any employer to file a report covering expenditures made to any regular officer, supervisor, or employee of an employer as compensation for service as a regular officer, supervisor, or employee of such employer;
(d) An attorney who is a member in good standing of the bar of any State, to include in any report required to be filed pursuant to the provisions of this part any information which was lawfully communicated to such attorney by any of his clients in the course of a legitimate attorney-client relationship.