I didn't actually pay. The way my lawyer does it is you pay them (lawyer) , then they pay the fees thru the actual law firms account. I payed $1,200 for the retainer, then $2,450 for the application fees both payed directly to my lawyer.
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AOS Application sent 12/10-15/16::: Notice of action 12/22/16
Bio letter received 1/15 ::: Bio appointment 1/31::: EAD Arrived 4/4/17 ....Interview: 6/14/17-Approved on Spot