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I know all the experts are super busy now that it's so close to the deadline. If someone could just explain this to me:

 

Did I use Form 4972 after 1986? 

 

I have to say no to that one, I'm not familiar with that form. How would I "use" that form anyway? When would I have "used" it and for what? I do not understand.

 

I'd be happy with that? What does the question mean - someone at TT must have written it?

 

Thank you.