ASTM D56

Standard Test Method for Flash Point by Tag Closed Cup Tester

Published by ASTM International (ASTM)

The CFR incorporates ASTM D56 by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.

The edition the CFR requires

ASTM D56-05, approved May 1, 2005

As the CFR lists it: “ASTM D 56-05, Standard Test Method for Flash Point by Tag Closed Cup Tester, approved May 1, 2005”

How to read it

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ASTM D56 is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.