I do not know why you are not responding, but you are not charged per question, per response, nor per answer. So after I give you my answer, you can continue to ask me questions without additional charge until you are satisfied. I apologize if it is a site issue that you posted and the post did not go through.
An I- 130 should have been filed and the approval of the I-130 takes about 5 or 6 months. If it was already approved and you had to file an I-824 for restart the process for some reason, then when USCIS approves it, they forward the approval to the National Visa Center (NVC) for additional processing. You will get a few letters from them asking for additional fees and I-864 Affidavits of Supports. That process, depending on how quickly you respond, can take 1 to 3 months or so. Then when they have everything they need, they forward everything to the U.S. Embassy or Consulate for them to be scheduled for interview. It can take 1 to 3 months for that as well, depending on how busy they are. Your spouse will receive letters from the U.S. Embassy/Consulate telling him what he needs to bring in for the interview. At the interview, if he is approved, they would get his immigrant visa stamp at that time and from that point he generally has 6 months to use it. If he does not use it within the 6 months, then it will expire but you don’t have to start over again with new I-130s, but you would have to file an I-824 for each to restart the USCIS/NVC process, basically having USCIS notify NVC that the I-130s are still approved and to redo the consular processing. The I-130 approvals do not expire.
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