The criteria for EIC changed for 2021 so even folks who were previously ineligible were able to get EIC in some cases. If your disability is reported on a W-2 then you may still be able to get EIC based on that income.
https://ttlc.intuit.com/questions/1899157-what-are-the-qualifications-for-the-earned-income-credit-eic-or-eitc
https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant
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