These requirements are increasingly common in RFPs and vendor questionnaires, most often asking for a completed VPAT or ACR against WCAG, Section 508, or EN 301 549, sometimes alongside a request for the auditor’s methodology or independent verification rather than a vendor’s own self-assessment.
For vendors selling to government agencies or large institutions, having an accurate, up-to-date ACR on hand can meaningfully shorten sales cycles, since it answers a question that would otherwise stall a deal in procurement review, while an inaccurate or overly optimistic one risks being caught during a buyer’s own verification testing.