Also, will an Invitation Letter be beneficial?

First rule of thumb is to be always truthful. Talk to an immigration attorney who can guide you. You can do a search on avvo or ailalawyers.com. ...

What are the quickest options for spouse of Permanent Resident to get work authorization in the U.S?

Hello your mother can petition for his permanent residency. Once he has that, he will have work authorization. Your father could also be sponsored...

Can I apply adjustment of status and advanced parole for her right now?

Once the priority date is up to date (current) an application for adjustment could be filed. You should also explore how naturalization can (maybe)...

What are the requirement to apply for a visa and what documents have to be filed?

I would consult with an experienced immigration attorney in your local area. You can do a search on avvo and or ailalawyers.com among other...

Am I required to pay any fine? How much is the fine?

When filing the waiver the fine would have been paid. Did you have an attorney helping you with this? If so, you can also direct all these...

Do they actually need a copy of the original I-485 receipt number to link my I-131 with my cases?

I would follow the instructions provided to you. Simple as that.

N600 Part 2 question 16 C - Current immigration status. I am Confused.

Your current status is that of a permanent resident applying for verfication of your citizenship status.

I would contact the Brazilian consulate to see if they can address the matter. I am sure this is not the first time this issue has come up for them.

How or where can I get information regarding my non-detained status as an undocumented immigrant? What is the process?

Please talk to an immigration attorney in your area. You can do a search on avvo. Good luck.

Green card conditions removal

Hello thanks for your question. Cases are taking longer than usual as USCIS has a backup. When was your last info pass appointment and what does...