Hi there, I believe I sold my car to you back in March 2019 i need to file a notice of disposal whi

Hi there, I believe I sold my car to you back in March 2019 i need to file a notice of disposal which i didn’t do at the time and I’ve lost the paper copy of the receipt. Wondering if there is anyway i could get a copy of this? It was a Toyota Yaris VIN JTDJW923205115832

Thanks
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Paddington