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I would be on the phone telling them to send a corrected form with a zero on it. They gave you a form saying that it is income. Here is what the IRS says about 1099 income:

At least $600 in:

• Rents.
• Services performed by someone who is not your employee.
• Prizes and awards.
• Other income payments.
• Medical and health care payments.
• Crop insurance proceeds.
• Cash payments for fish (or other aquatic life) you purchase from anyone engaged in the trade or business of catching fish.
• Generally, the cash paid from a notional principal contract to an individual, partnership, or estate.
• Payments to an attorney.
• Any fishing boat proceeds.

You are certainly not a contractor, this was not a bonus or a prize. They might be trying to say it is "other income payment".

There is a lawsuit that was similar to your situation. The guy had emails proving he asked for a corrected 1099-MISC and the IRS did allow the deduction.

If you can NOT get a corrected form, enter the 1099-MISC as income and then adjust your income as a negative amount of the same under "other income" and label it as erroneous receipt of 1099-MISC. Keep proof that you asked for a correction and records of the whole situation.

Enter the 1099-MISC:

1. Income and Expenses
2. Other Common Income
3. Form 1099-MISC, start
4. screen Who paid you
5. enter the 1099-MISC information
6. Describe the reason 
7. warranty reimbursement
8. continue
9. Screen Does one of these uncommon situations apply?
10. Select None of these apply
11. continue
12. Screen Did the 1099 involve work that's like the main job?
13. Select No
14. continue
15. screen How often did he get income?
16. Select got it in 2019 
17. continue
18. screen Did it involve an intent to earn money?
19. Select No 
20. continue

Take it back out again:

1. Go to Income and Expenses
2. Scroll down to Less Common Income
3. May need to select Show More
4. Select bottom, Miscellaneous Income and Start
5. Select bottom, Other reportable income and Start
6. Screen, Any Other Taxable Income?
7. Select Yes
8. Screen Other Taxable Income
9. Enter Description, erroneous 1099-misc from warranty
10. Next to your name, enter a negative sign and the amount on your 1099-MISC.
11. Continue

Good luck!