https://www.zoho.com/sign/features-and-benefits/21-cfr-part11-esign.html
FDA 21 CFR Part 11 compliance with electronic signatures | Zoho Sign
Zoho Sign is an e-signature app for legally binding documents. Use its controls for 21 CFR Part 11 and stay compliant with valid digital signatures.
fda 21 cfr part 11electronic signatures