Q: How long does it take to expedite an existing i-131?

Hi! I've already submitted the i-131 last January 18th but I will need to leave the Country on June 12th for family circumstances. (I've applied for GC because married a US citizen). If I need to expedite the process in case it doesn't arrive on time, how long does it take to get the approval? Same day? I'm in New York and the office doesn't allow walk-in or InfoPass appointment but I have to call them.. Thank you. Marta

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