USPS.com this is the link inclusive of the form: As of late September 2024, residential households in the U.S. are eligible for another order of #4 free at-home tests from USPS.com.
Here’s what you need to know about your order:

• Each order includes #4 individual rapid antigen COVID-19 tests (COVIDTests.gov has more details about at-home tests, including extended shelf life and updated expiration dates)
• Orders will ship free.