- https://pad.stuve.uni-ulm.de/s/Lfio3hCNF0
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How long is a TCF certificate valid for? Learn about the official validity period, expiry rules, and how to renew your results. Check your certificate status now!
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2026-05-07
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How long is a TCF certificate valid for? Learn about the official validity period, expiry rules, and how to renew your results. Check your certificate status now!