"Final K-1" Checkbox on Schedule K-1 (Form 1065)

  • What does the IRS intend it to mean? In other words, what rule is a partnership supposed to follow in deciding whether to check it or not?
  • How are partnerships observed to use it in the wild? In other words, do they sometimes get it wrong?
  • How, if at all, should I allow it to influence my responses in the TurboTax K-1 interview? Does TurboTax refrain from asking the user about it because (see second bullet) it is unhelpful? What does TurboTax mean by "This partnership ended in ...."?