Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to report an unfair labor practice [title] Locate the nearest nlrb regional office. [step] You must report an unfair labor practice to the regional office with jurisdiction over you and your employer. You can find the nearest office by using the nlrb's.

Ending1: [substeps] The nlrb provides an online portal at https: // www.nlrb.gov/locator-locator-and-nlrb.php. To find the nlrb, call 1-800-4676-4442 from where you live. Ending2: [substeps] The correct office normally is the one that has jurisdiction over the worksite where the alleged unfair labor practice occurred. If you are unsure as to which regional office you should use, an informational officer at any nlrb regional office can assist you in locating the correct office. Ending3: [substeps] Nlrb regional offices differ from state to state. You can find the nearest nlrb office on the nlrb website at http: // www.nlrb.state. Ending4: You can type, " nlrb division of labor " and " ia " into a search engine. [substeps] To find your local nlrb office, use this link: https: // nlrs.nlrb.gov/nlrb /? Ss264 /? Kd=6689.

Answer format: ending1/ending2/ending3/ending4