After you file

Hi,  I'm administrator of my brother's estate.  I filed an extension in early April, now needing to file his return and pay his taxes by October 15, 2024.  However, I cannot remember with certainty as to the information I already provided to the IRS at the time I submitted the extension in early April.   

 

My question is this:  Should I now print the necessary documents, just as I would have done in April, mailing these documents with W2 and 1099R's attached?  And if so, I'm assuming there is a specific IRS address for these extended returns?  I filed the extension with the Kansas City IRS processing center so this may simply be the route for the completed return and check?   

 

I'm located in SE Wisconsin, if this matters.  In this regard, I have the same questions for the extension of his Wisconsin return.   Thanks in advance for any guidance as this is my first time with an extension.  -- Steve