The Statute: § 7114. Representation rights and duties
(a)(1) A labor organization which has been accorded exclusive recognition is the exclusive representative of the employees in the unit it represents and is entitled to act for, and negotiate collective bargaining agreements covering, all employees in the unit. An exclusive representative is responsible for representing the interests of all employees in the unit it represents without discrimination and without regard to labor organization membership.
(2) An exclusive representative of an appropriate unit in an agency shall be given the opportunity to be represented at--
(A) any formal discussion between one or more representatives of the agency and one or more employees in the unit or their representatives concerning any grievance or any personnel policy or practices or other general condition of employment; or
(B) any examination of an employee in the unit by a representative of the agency in connection with an investigation if--
(i) the employee reasonably believes that the examination may result in disciplinary action against the employee; and
(ii) the employee requests representation.
(3) Each agency shall annually inform its employees of their rights under paragraph (2)(B) of this subsection.
(4) Any agency and any exclusive representative in any appropriate unit in the agency, through appropriate representatives, shall meet and negotiate in good faith for the purposes of arriving at a collective bargaining agreement. In addition, the agency and the exclusive representative may determine appropriate techniques, consistent with the provisions of section 7119 of this title, to assist in any negotiation.
(5) The rights of an exclusive representative under the provisions of this subsection shall not be construed to preclude an employee from--
(A) being represented by an attorney or other representative, other than the exclusive representative, of the employee's own choosing in any grievance or appeal action; or
(B) exercising grievance or appellate rights established by law, rule, or regulation;
except in the case of grievance