After December 31, 2022, only laboratories registered with the Drug Enforcement Agency may conduct testing under this part. At a minimum, a laboratory conducting analytical testing of samples for delta-9 tetrahydrocannabinol concentration levels for purposes of the testing required by this chapter must:
A. use the postdecarboxylation value method or other similarly reliable methods approved by the commissioner and the United States Department of Agriculture;B. determine and report the total delta-9 tetrahydrocannabinol concentration level on a dry weight basis;C. estimate and report the measurement of uncertainty with test results; andD. use appropriate, validated methods and procedures for all testing activities required under this chapter and evaluate the measurement of uncertainty.Minn. R. agency 105, ch. 1565, pt. 1565.1500