to any representative of any of his employees who are employed in an industry affecting commerce; or

to any labor organization, or any officer or employee thereof, which represents, seeks to represent, or would admit to membership, any of the employees of such employer who are employed in an industry affecting commerce; or

to any employee or group or committee of employees of such employer employed in an industry affecting commerce in excess of their normal compensation for the purpose of causing such employee or group or committee directly or indirectly to influence any other employees in the exercise of the right to organize and bargain collectively through representatives of their own choosing; or

to any officer or employee of a labor organization engaged in an industry affecting commerce with intent to influence him in respect to any of his actions, decisions, or duties as a representative of employees or as such officer or employee of such labor organization.

It shall be unlawful for any person to request, demand, receive, or accept, or agree to receive or accept, any payment, loan, or delivery of any money or other thing of value prohibited by subsection (a).

It shall be unlawful for any labor organization, or for any person acting as an officer, agent, representative, or employee of such labor organization, to demand or accept from the operator of any motor vehicle (as defined in section 13102 of title 49) employed in the transportation of property in commerce, or the employer of any such operator, any money or other thing of value payable to such organization or to an officer, agent, representative or employee thereof as a fee or charge for the unloading, or in connection with the unloading, of the cargo of such vehicle: Provided, That nothing in this paragraph shall be construed to make unlawful any payment by an employer to any of his employees as compensation for their services as employees.

Any person who participates in a transaction involving a payment, loan, or delivery of money or other thing of value to a labor organization in payment of membership dues or to a joint labor-management trust fund as defined by clause (B) of the proviso to clause (5) of subsection (c) of this section or to a plant, area, or industry-wide labor-management committee that is received and used by such labor organization, trust fund, or committee, which transaction does not satisfy all the applicable requirements of subsections (c)(4) through (c)(9) of this section, and willfully and with intent to benefit himself or to benefit other persons he knows are not permitted to receive a payment, loan, money, or other thing of value under subsections (c)(4) through (c)(9) violates this subsection, shall, upon conviction thereof, be guilty of a felony and be subject to a fine of not more than $15,000, or imprisoned for not more than five years, or both; but if the value of the amount of money or thing of value involved in any violation of the provisions of this section does not exceed $1,000, such person shall be guilty of a misdemeanor and be subject to a fine of not more than $10,000, or imprisoned for not more than one year, or both.

Except for violations involving transactions covered by subsection (d)(1) of this section, any person who willfully violates this section shall, upon conviction thereof, be guilty of a felony and be subject to a fine of not more than $15,000, or imprisoned for not more than five years, or both; but if the value of the amount of money or thing of value involved in any violation of the provisions of this section does not exceed $1,000, such person shall be guilty of a misdemeanor and be subject to a fine of not more than $10,000, or imprisoned for not more than one year, or both.