StacksVerified U.S. regulatory reference

40 CFR §610.24

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The Administrator will make a determination as to the validity of manufacturer-furnished test data on the basis of:
  1. (a)The correlation between the test procedures used by the manufacturer or testing agent and the procedures prescribed in subpart D;
  2. (b)The choice of test vehicle(s) as representative of the manufacturer's claim for operation and/or principles of operation;
  3. (c)The degree of control exercised over ambient and operating conditions in the tests, including vehicle calibrations;
  4. (d)Accuracy and precision of the measurement techniques and instrumentation used in the tests;
  5. (e)Disclosure of all test data acquired on the device, whether representing positive, negative, or inconclusive results;
  6. (f)Qualifications and independence of the testing agent; and
  7. (g)The extent to which test data include evaluation of the durability of the device, or its effect on vehicle durability.