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The short version: Datum is an independent, original study aid. Use it alongside official NCARB materials — not instead of them — and verify anything exam-critical against current official sources.

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Datum is independent and is not affiliated with, endorsed by, sponsored by, or reviewed by the National Council of Architectural Registration Boards (NCARB). “ARE” and “ARE 5.0” are trademarks of NCARB, used here only descriptively to identify the examination this material helps you study for. We use no NCARB logos or marks.

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Datum is a study aid; it does not guarantee that you will pass any exam or division. Passing depends on many factors outside our control. The Architect Registration Examination® is developed and administered solely by NCARB.

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Content is distilled for high-yield review and is reviewed for accuracy, but it may contain errors, and codes and standards change. Always confirm exam-critical facts against the current official NCARB materials and the adopted editions of any referenced codes and standards (IBC, IECC, ASHRAE, AIA documents, and the like). Nothing here is legal, professional, or engineering advice.

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Datum’s content is provided for your personal exam preparation. Please don’t redistribute, resell, or republish it. Every published card is free during the public beta. If Datum later offers voluntary support or optional Pro tools and curated downloads, the applicable payment and use terms will be published before any charge.

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“ARE” and “ARE 5.0” are trademarks of NCARB. Datum is an independent study aid and is not affiliated with or endorsed by NCARB. Last updated July 16, 2026.