If you're waiting on a Schedule K-1 that you receive as a partner, you should contact the tax matters partner from your business for notification of when your Schedule K-1 will be ready and made available to you. If you're an investor in a publicly traded partnership, you should check taxpackagesupport.com for your form(s) K-1 (prepared by PWC). You may be able to sign up for notifications from them at that link.
As a recipient of a Schedule K-1 prepared by a tax preparer and furnished to you as an investor to report on your individual tax form 1040, there is no way for TurboTax to notify you of when your tax info has been finalized.
If you're preparing Form 1065 and issuing K-1's to others, you can check your 2025 IRS forms availability in these tables. Forms 1065 and K-1 are ready for preparation and e-filing.
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