[lemma=track] [!tag=IN] [lemma=major] □
[lemma=track] [!tag=IN] [lemma=major] □ □
[lemma=track] [!tag=IN] [lemma=major] □+
A major agency within the department is the Drug Enforcement Administration ( DEA ) , which enforces narcotics and controlled substances laws , and tracks down major illicit drug trafficking organizations . The February 16 , 1999 , report of HCFA 's IV & V contractor stated that an integrated schedule that tracks all major internal system activities needs to be established .