One need not amend previous years tax returns.

However, this is not applicable to standard M1-2 zones.Zoning Map Amendments: If the property is not in an MX district, pursuing a zoning map amendment to rezone the area to a district that permits residential use is an option.

And now you're just taking advantage of them because they can't afford to evict you...at least partially because you aren't paying them rent and (perhaps) haven't been for awhile.As for if they can give you a 30-Day Notice of the lease amendment that might further restrict you and/or have you potentially deal with a roommate. 

It was for 2022 purchase filed in 2023 taxes (although we're going to have to file an amendment anyway, so maybe it's not too late??)

As for the usury limit in AR, it was recently (within the past 2 years) raised to 17% so I'm good there (constitutional amendment 89 if interested).

I see DHCR allows for amendments for previous years but curious if anyone's been successful doing so and how far back can one go? 

I had to then amend his order and the title company gave me title insurance based on his order.. the first time I bought property without having it deeded to me with some sort of deed.. so as you can see the wholesaler with 50 bucks EM is not the same. 

He might have to go back and amend tax returns for those years.

Current building code requirements and local amendments should be considered forrebuilding the fire-damaged portion of the residence.The Engineer shall have no liability to the Owners, or to others for the acts or omissions of theContractor or any other Persons performing work on the project, or failure of the Contractor tocarry out the work in accordance with this letter, except where specifically inspected andapproved by the engineer and discovery of defect is possible within the normal ability or standardof care for the industry.This report is based on a diligent visual inspection of the referenced areas.

@Keith Bloemendaal I would like to amend a bit what @Joe Villeneuve says.