Ask the vendor if they’re Part 11 compliant, and ask them to provide documentation. Ask if they have undergone a third-party assessment for validation, or are willing to. If they haven’t, you may want to audit the vendor. Keep in mind at the end of the day, even though you may be purchasing a system, you are still responsible at the site to make sure that the system is Part 11 compliant. So, even if the vendor says it’s Part 11 compliant, you’re still responsible for doing your due diligence to make sure and documenting that it is so.