The K-1 is printed, not chosen
A Schedule K-1 is an output. Somebody prepared Form 1065 or Form 1120-S, the return produced a page for each owner, and that page is what arrived in the mail or in the portal. Holding the K-1 proves the entity return existed for that year. It does not reach back and create the election. If the K-1 says S corporation, the acceptance of Form 2553 should already be in the file for a prior year or for the year the election began.
Owners sometimes ask us to draft the K-1 first because it is the page their personal return is waiting on. The personal return can wait. The entity return has to exist, and the books that feed it have to be closed, before a K-1 is anything but a guess. A blank owner page is not drafted early just to fill a personal return.
When the K-1 is the page that is missing
The useful case is the opposite one. Someone says the company is an S corporation, the personal return has a blank where the K-1 should be, and the packet has no entity return in it. The search goes backward. Find Form 1120-S for that year, or find out it was never filed. Find the acceptance of Form 2553, or find out the election was only a conversation. A missing K-1 is a symptom. The entity return and the election are the pages that explain it.
A partnership has the same shape with a different form. No Form 1065, no honest K-1. Two owners and no accepted election means that partnership return is the default, even if nobody has prepared it yet. The absence of the K-1 does not let the owners skip the return.
What the K-1 is allowed to say
The figures on a K-1 come from the closed books. Capital at the start, capital put in, capital taken out, and capital at the end are the rollforward. They belong to the year-end close. They are not a second election. If the capital page and the bank do not agree, the close is not done, and the K-1 waits. Read which page chooses the tax before you argue with a K-1 that was printed from a different classification than the one you remember.
If you have three years of K-1s and no acceptance letter, bring the oldest K-1. It tells us how far back the entity return has been behaving like a choice someone made. The letter may be in an older folder. The pile page is how we look for it.
Tell us which K-1 is missing
Name the year the K-1 should cover, and whether you have the entity return that would have printed it.
You will be talking to the Steven Palmieri practice.