20 Trailblazers Leading the Way in free dataset

http://eduardohnzb982.cavandoragh.org/does-your-data-synthetic-pass-the-test-7-things-you-can-improve-on-today

Other than, it's found out there are also some registrar organizations who need a notarized sort or other official recognition documents, but these are just depending on the selected county that the registrants