Casino Issued Me Inaccurate W2G - now what?

I won a VP jackpot of around $7000 on New Year's Day this year, around 12:15 in the morning.

When the slot tech and slot supervisor brought me the W2G paperwork to sign, I noted that the pay date box correctly stated 1-1-2014 as the date the jackpot was won.
However, since I knew most casinos' gaming day does not officially end until 3 or 4 a.m, I enquired at that time if the W2G was accurate as to date won. They assured me it was.

So, I decided to pick up my Win/Loss statement for 2014 (dated up to this week), just to confirm how I'm doing this year.
Expected to see my four hand pay jackpots listed.
NOPE. Just three, and the discrepancy in total amount won is exactly the $7000 jackpot.

I call the accounting department. Their explanation: they submitted to the IRS my January 1st jackpot as having been won on December 31, 2013. They said, well, that was still the gaming day for them when I won.

Umm, but my W2G clearly shows I won in 2014, not 2013.

I am not happy if I have to file an amended 2013 return because this casino intentionally put the wrong payout date on my W2G AND MOREOVER assured me it was recorded for 2014.

Now what should happen?

i had the same thing happen to me in 2011,i won dec. 31 at 10 pm and was issued a w2 for 2011,but the casino did not record it to 2012 taxes.i filled my taxes for 2011 paid taxes on win and submitted.A year 1/2 latter uncle sam says i own them the tax money that i had already paid.the casino ended up having to write a letter to the irs and also me with the attached correct paper work to the irs.everything worked out fine but it takes a lot of time.i was assigned a person in accounting to work with at the casino in reguards to this issue.

If it was me, I'd claim the $7000 W2 on my 2014 tax return and enclose a letter with my 2014 tax return to explain the situation.

I would be inclined to do the same, until I remembered that government employees are machine like and don't give a shit.

Wait until you get a notice from the IRS inquiring about it, which by the way I don't think you are going to get if you will be picking it up on your 2014 return. While your win/loss statement is technically wrong, your return should be reflecting what was reported to the IRS. Use the correct amount of gambling losses to offset your winnings. The IRS doesn't receive your statement.

Agree with Snidley, include the $7000 W2-G with your 2014 return, except I wouldn't do the letter yet. It will just confuse things and draw attention. You have the official document, the W2-G which reads 2014. The casino win/loss statements are not regarded as official government documents, though they are accepted as evidence submitted when audited.

Is the $7000 listed on your 2013 win/loss statement?
If you receive a notice of audit for 2013 (which is unlikely) just submit the 2013 and 2014 win/loss statements, copies of your W2-Gs, your 2014 tax return with the $7000 win listed, and a letter explaining things.

I suspect that filing an amended report for 2013 is more likely to stir things up and draw attention than if you just submit it with 2014.

Do NOT file an amended 2013 return as of right now. If this was a period ending or year ending for the casino, I suspect this is nothing more than an accounting procedure to recognize expenses in that period. If you are not electronically filing your return, then your return is keyed in by an operator. They will probably toss the accompanying letter. Until you get an inquiry (which I doubt you will), do not write any letters.

The IRS has nothing to do with the gaming day - your income is recorded as income in the calendar year in which it's earned. The gaming day only applies to the accounting methods of the Nevada Gaming Control Board.

Yes, the $7000 jackpot is listed on my 2013 win/loss statement.

However, I agree, I do have the official W2G, which clearly states 1-1-2014.

I also agree that casino's win/loss statements are not acceptable proof by the IRS, should I be audited.
I think I will not file the amended 2013 return, based on the W2G.

Yes, this seems reasonable. . . so I will not file an amended 2013 return.

After speaking with a random person in the casino's accounting department yesterday, I was surprised to receive two phone calls from the Chief Financial Officer of this casino. He stated he CAN amend both my 2013 and my 2014 win/loss statements, moving the $7000 jackpot from a Dec. 31, 2013 payout to a Jan. 1, 2014 payout (which in fact it was, if we go by calendar year, not gaming day).
That was all he could do, he said, because this casino had already included my $7000 in their 2013 tax year.