How long does the immigration medical report stay valid?

It depends on how long it takes to reset whether it would be expired or not.

If the government decides to give Americans checks due to the pandemic will this affect my citizenship?

It is too soon to tell how the government would handle this and whether this aid would be provided to lawful permanent residents and citizens...

How to obtain a copy of tax return transcript for the 2015 year?

You are not required to bring the last 5 years of taxes to your citizenship interview. You were asked if you owe taxes, if you said no that ends...

As a cosponsor for a US immigration petition, do both my wife and I have to show paystubs and income?

Listen to your attorney and provide all documentation to make sure it gets approved.

Without re-entry permit can a Legal Permanent Resident enter back to the USA after 1 year due to the recent pandemic situation?

I agree with my colleagues. Your parents can try getting on a plane and hopefully CBP will let them in.

Is there a law firm that will draft a demand letter and send it on my behalf and on behalf of 3 others?

This is not an immigration questions. Hoping someone in lawsuits and disputes can help you.

It seems like there was another issue for the denial, not the category.

Fiance visa to green card ?

You seems to be a bit confused as to how this works. If he married her abroad he will have to petition her as a spouse of a USC citizen and she...

I agree with my colleague, reaffirmation or denial. Make sure attorney provides copy of offer in reply.

What are my options?

yes, you can more forward with your spousal petition while asylum is pending. If relative petition is process faster and granted you will need to...