- https://sherman-friedman.hubstack.net/the-15-things-your-boss-wishes-you-knew-about-tcf-official-site
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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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2026-05-10
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created repository tcf-exam-registra.../5789tcf-certificate-online
2026-05-10 22:53:23 +08:00