US Immigration from Trinidad and Tobago

My friend collects ssdi and has not filed taxes because he collects ssdi which is under the amount required by irs for filing. His case is at NVC and he is currently uploading documents , he wants to know what to upload under tax transcript and financial documents.

I am a US citizen and currently going to be applying for divorce. My husband just got notice they are issuing his new green card as condition removed. So I need a special lawyer for divorce? We live in a 50/50 community property state but I signed as the sponsor to get him here, does this mean that I'm only liable? We have a child together and I'm the custodial parent, will he have to pay child support? He's got plenty money to survive. More than me actually. He's not and has not disclosed all his income to me.

My B2 I94 is set to expire on the 30th August. My home country borders are closed and they have been repatriating citizens at a very slow rate only after you have been approved for an exemption to enter the country (the third repatriation flight from the US since boarders closed in March leaves tomorrow). Bottom line i applied for an extension (I 539) which was signed for by USCIS on the 14th August but i have not received any correspondence from them since. I have two question (1) how long does it take to get a receipt number (i am panicking that my I94 expires in a few days and i may be considered illegal without even so much as a receipt number (the payment has not even been taken from my credit card (2) does it make sense to refile online (i didn't realize it could have been done, thought at the time they were only accepting paper filing).

How long does it take to get a invoice number from NVC after petition has been forwarded to Department of State from USCIS.