IRS website - https://www.irs.gov/newsroom/2020-recovery-rebate-credit-topic-b-eligibility-for-claiming-a-recovery...
Q B1. Eligibility Requirements: What are the eligibility requirements for the credit? (updated December 10, 2021)
You do not have a Social Security number that is valid for employment issued before the due date of your 2020 tax return (including extensions)
