Was I falsely claimed as a dependent?

[Kenzie615]

So the stimulus checks started rolling out and I had realized I never got one and I didn't know why....I was chatting with my mom one day and I was going through eligibility and I knew I should've gotten a check since I wasn't claimed and I met other requirements. Then she comes out and says that she claimed me as a dependent on her taxes. I did not know she claimed me and thought I didnt meet the requirements. I provided 100% of all my support, wasn't a full-time student, lived with her for 6 months but paid for my portion of the rent and my own bills. I made $27,000 in 2019 and filed my taxes before her. Do I qualify as a dependent, if not what do I do next?

[macuser_22]

Did you check the box only tax return  that you could be a dependent?

Was your tax return accepted?

If accepted then your SSN was not claimed by anyone else when  you filed.

[Kenzie615]

My tax return was accepted and I filed before my mother however, the night before everyone got checks she told me I was claimed as a dependent. She told me that, but both of us weren't audited or anything. Both of us got our returns and I filed before her, so shouldn't she have gotten denied? 

She didn't support me or give me income, I paid my own bills, rent, everything. She gave me 0 income. When we lived together you could consider us 'roommates'. 

[macuser_22]

If you did not check the box that you could be a dependent (check your 1040 form) and your e-file was  accepted then nobody could also e-file and claim you without rejecting.