As the link I gave you in your other post states:
To securely access Get Transcript Online, first-time users must:
- Submit their name and email address to receive a confirmation code;
- Enter the emailed confirmation code;
- Provide their SSN, date of birth, filing status and address on the last filed tax return;
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Provide some financial account information for verification such as the last eight digits of their credit card number or car loan number or home mortgage account number or home equity (second mortgage) loan number;