images Iced Tea Can Safe up with Arizona Ice Teawebm03-17 04:56 PMSpillover is not handled within category: It is handled from top preference to lower preference. Spillover pattern is as under. It is circular and cyclic with broken link from EB3 to EB4. Just for a reference read "EMPLOYMENT-BASED PREFERENCES" on following bulletin link. http://travel.state.gov/visa/frvi/bulletin/bulletin_4177.