How to Fill Out Form NLRB-508

Form NLRB-508 at a glance

What it is: Form NLRB-508 is the National Labor Relations Board charge against a labor organization or its agents.

Who signs: Sign on the signature line as the representative or person making the charge, and print or type your name and title or office, if any.

A filled-in Form NLRB-508 example: a worker files a charge against a union

Form NLRB-508 example filled out, example: a worker files a charge against a union
Dana Sample, a worker, files Form NLRB-508 against a union local. The charge names one employer with 40 workers and signs on March 2, 2026. The picture shows page 2 only, and its names and figures are sample values. Case and Date Filed stay empty because the form says DO NOT WRITE IN THIS SPACE. The party filing the charge also signs as the person making the charge, so the declaration repeats that party's own telephone, cell, fax, e-mail and address.

How to fill out Form NLRB-508, box by box

Case and Date Filed

Form NLRB-508 example filled out, case and Date Filed

Do not write in the space for Case and Date Filed.

Labor organization against which the charge is brought

Form NLRB-508 example filled out, labor organization against which the charge is brought

Enter in 1 the labor organization or its agents against which the charge is brought.

In h, list the subsections of section 8(b); the labor organization has engaged in and is engaging in unfair labor practices within the meaning of section 8(b) of the National Labor Relations Act, and these unfair labor practices are practices affecting commerce within the meaning of the Act, or within the meaning of the Act and the Postal Reorganization Act.

Basis of the Charge

Form NLRB-508 example filled out, basis of the Charge

In section 2, set forth a clear and concise statement of the facts constituting the alleged unfair labor practices.

The Basis of Charge seeks only a brief description of the alleged unfair labor practice; do NOT include a detailed recounting of the evidence in support of the charge or a list of the names and telephone numbers of witnesses.

Employer

Form NLRB-508 example filled out, employer

Enter in 3 the Name of Employer, and in 4a the Tel. No., in b the Cell No., in c the Fax No. and in d the e-mail.

Enter in 5 the location of the plant involved (street, city, state and ZIP code), and in 6 the employer representative to contact.

Enter in 7 the type of establishment (factory, mine, wholesaler, etc.), in 8 the principal product or service, and in 9 the number of workers employed.

Party filing the charge

Form NLRB-508 example filled out, party filing the charge

Enter in 10 the full name of the party filing the charge.

Enter in 11 the address of the party filing the charge (street, city, state and ZIP code).

Declaration

Form NLRB-508 example filled out, declaration

By signing the declaration, you declare that you have read the charge and that the statements are true to the best of your knowledge and belief.

Willful false statements on this charge can be punished by fine and imprisonment (U.S. Code, Title 18, Section 1001). Solicitation of the information on this form is authorized by the National Labor Relations Act (NLRA), 29 U.S.C. § 151 et seq.

More rules for Form NLRB-508

After completing the charge form, sign and date the charge and mail or deliver the completed form to the appropriate Regional Office.

The individual, employer or union filing a charge is responsible to timely and properly serve a copy of the charge on the person, employer or union against whom the charge is made.

Call an Information Officer in the Regional Office nearest you for assistance in filing a charge; the Information Officer can answer your questions about the charge form or draft the charge on your behalf.

Common questions about Form NLRB-508

Is there a deadline?

By statute, only charges filed and served within six (6) months of the date of the event or conduct, which is the subject of that charge, will be processed by the NLRB.

Where do I file it?

File an original with the NLRB Regional Director for the region in which the alleged unfair labor practice occurred or is occurring. File a charge with the Regional Office which has jurisdiction over the geographic area of the United States where the unfair labor practice occurred.

When is this form not the right one?

Not every workplace action that you may view as unfair constitutes an unfair labor practice within the jurisdiction of the National Labor Relations Act (NLRA).

Sources

[1] Form NLRB-508 (10-24), Charge Against Labor Organization or Its Agents, National Labor Relations Board (the Official source link on this page).

Form NLRB-508 PDF Details

File an original with NLRB Regional Director for the region in which the alleged unfair labor practice occurred or is occurring.

Basis of Charge: it seeks only a brief description of the alleged unfair labor practice.

Evidence: you should NOT include a detailed recounting of the evidence in support of the charge or a list of the names and telephone numbers of witnesses.

Assistance: please call an Information Officer in the Regional Office nearest you for assistance in filing a charge.

Signing: after completing the charge form, be sure to sign and date the charge and mail or deliver the completed form to the appropriate Regional Office.

QuestionAnswer
Form NameForm NLRB-508
Form Length2 pages
Fillable?Yes
Fillable fields37
Avg. time to fill out7 min
Edition10-24
Issuing agencyNational Labor Relations Board
Other namesNLRB-508, NLRB 508, Form NLRB-508, NLRB charge form, Charge Against Labor Organization or Its Agents
Official sourceForm NLRB-508 (Rev 10-24), National Labor Relations Board