The Statute: § 7118. Prevention of unfair labor practices
(a)(1) If any agency or labor organization is charged by any person with having engaged in or engaging in an unfair labor practice, the General Counsel shall investigate the charge and may issue and cause to be served upon the agency or labor organization a complaint. In any case in which the General Counsel does not issue a complaint because the charge fails to state an unfair labor practice, the General Counsel shall provide the person making the charge a written statement of the reasons for not issuing a complaint.
(2) Any complaint under paragraph (1) of this subsection shall contain a notice--
(A) of the charge;
(B) that a hearing will be held before the Authority (or any member thereof or before an individual employed by the authority and designated for such purpose); and
(C) of the time and place fixed for the hearing.
(3) The labor organization or agency involved shall have the right to file an answer to the original and any amended complaint and to appear in person or otherwise and give testimony at the time and place fixed in the complaint for the hearing.
(4)(A) Except as provided in subparagraph (B) of this paragraph, no complaint shall be issued on any alleged unfair labor practice which occurred more than 6 months before the filing of the charge with the Authority.
(B) If the General Counsel determines that the person filing any charge was prevented from filing the charge during the 6-month period referred to in subparagraph (A) of this paragraph by reason of--
(i) any failure of the agency or labor organization against which the charge is made to perform a duty owed to the person, or
(ii) any concealment which prevented discovery of the alleged unfair labor practice during the 6- month period,
the General Counsel may issue a complaint based on the charge if the charge was filed during the 6-month period beginning on the day of the discovery by the person of the alleged unfair labor practice.
(5) The General Counsel may prescribe regulations providing for informal methods by which the alleged unfair labor practice may be resolved prior to the issuance of a complaint.