Beginning October 23, 2006, U.S. Citizenship and Immigration Services (USCIS) National Benefits Center (NBC) began transferring Form I-129F, Petition for Alien Fiance(e), (petitions for K-3-spouses of U.S. citizens only), to the California Service Center (CSC) and the Vermont Service Center (VSC), depending on the location of the related Form I-130, Petition for Alien Relative. This transfer is being implemented in preparation for Phase 3 of the USCIS initiative to use centralized filing and bi-specialized adjudication. Through this Bi- Specialization effort, USCIS continues to align similar workloads between two ‘sister’ service centers, CSC and VSC, to better manage cases and improve customer service.