下麵是UCCIS關於AC-21的原文解釋:
IftheFormI-140hasbeenapprovedandtheFormI-485hasbeenfiledand
remainedunadjudicatedfor180daysormore(asmeasuredfromtheformI-485receipt
date),theapprovedFormI-140willremainvalidevenifthealienchangesjobsor
employersaslongasthenewofferofemploymentisinthesameorsimilaroccupation.
IftheFormI-485hasbeenpendingforlessthan180days,thentheapprovedFormI-
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