This form is for new submissions only. If you have questions about how to complete this form call (888) 469-7365.• Mail it to the address above. General Inquiries:1-844-762-NLRB (1-844-762-6572) Spanish language option available. You will be directed to the nearest WHD office for assistance. Download the Complaint Form. The National Labor Relations Board (NLRB) administers the NLRA, and the National Mediation Board (NMB) administers the RLA. In addition, laws change frequently, particularly with labor and employment law. Both employers and employees should keep up to date on these changes. A claim with the agencies that enforce those laws, or up to three years to file a claim in court.