USCIS 公布了“bi-specialization 计划”的第二阶段. 该计划影响到从工作到永久居民申请的申请步骤.
The purpose of this plan is to streamline processing by centralizing filings and specializing the service centers to deal with similar workloads.
The second phase, which began on July 24, 2006 calls for all applicants filing following forms, based on pending or approved Immigrant Petition for Alien Worker, I-140 to mail them directly to the Nebraska Service Center