Can you walk me through how and when to use the Cannabis Typification or 4-AP field test?

Please see the Department’s website for both written instructions and an instructional video on how to use this test kit.  The direct link for this information can be found at: https://www.dfs.virginia.gov/field-test-kits/4-ap-cannabis-typification-field-tests/

These tests should be used on plant material that has tested positive for Cannabis using the Duquenois-Levine test kit, and further information is needed as to whether it is more likely to be marijuana or industrial hemp.