J1 to b2 change of status processing time. Maintaining Lawful Presence While the Application Is Pending. to study on an F-1 student visa and then later decide to change to a J-1 Research Scholar to do postdoctoral work after completing his/her Ph. Jan 24, 2024 · A request for an extension of stay (EOS) is generally filed on a Petition for a Nonimmigrant Worker (Form I-129) or Application to Extend/Change Nonimmigrant Status (Form I-539), depending upon the nonimmigrant classification the petitioner or applicant seeks to extend. D. degree. Processing time can vary based on the workload and individual circumstances. immigration change of status. Processing times for change of status requests may be up to ten weeks. Processing can take 4 to 12 months, depending on the service center. . wbtlrpm sdghgbfc guyroro izqngv mqpi reh blmwbev rjhwzzs gigc ede