US Immigration from Sweden

This might be a somewhat stupid question, but I have a vague memory of my then fianc writing something on the actual envelope back when we sent in the I-129F application in 2019. I think he wrote I-129F or something similar. Now we're about to send in the AOS application (hopefully tomorrow!) and I haven't read anything like that in the instructions, so does that mean that we just write the address and then when they open it they'll just see the different folders (AOS, EAD and Advanced Parole) that has the application name and what form it is on the front? Or do this has to be on the actual packet as well?

I'm probably overthinking, but I just remember that we wrote something on the packet last time...

My spouse owns a restaurant with a partner. Last year, because of COVID-19 and many investments made to the business, the business did not make profit and my spouse did not want to receive any salary.

This year, my spouse is able to take distribution of profits but doesn't have any pay slips.

1) Which AOS form we should use?

2) We have a person who can be a co-sponsor. We did not figure out yet if we can add him at this stage because the online page only shows my spouse's name. Can we add him now in the ceac website?

Thank you in advance

I have my AOS interview next week. In the interview notice, it says to bring petitioners (USC) birth certificate, will his passport be fine to bring instead? I figured that it will be as it is proof of citizenship as well but I thought i'd ask.

Just a quick question. I have my AOS interview on June 22nd and I just got a new job since I got my EAD a while back. After my interview, will I still be able to work using my EAD while I wait for the green card? (Assuming that I will get approved which I certainly hope )

Thanks!!

Extended validity on certain EADs, 2 years instead of the current 1 year. This to reduce the amount of EAD applications.

https://www.uscis.gov/news/news-releases/uscis-updates-policies-to-improve-immigration-services