The authorities conferred on the Office and the Director by this chapter shall be exercised in a manner consistent with provisions of the National Security Act of 1947 [50 U.S.C. 3001 et seq.]. The Director of National Intelligence shall prescribe such regulations as may be necessary to protect information provided pursuant to this chapter regarding intelligence sources and methods.
Not later than July 1 of each year, the Secretaries of Agriculture and the Interior shall jointly submit to the Director and the appropriate congressional committees an assessment of the quantity of illegal drug cultivation and manufacturing in the United States on lands owned or under the jurisdiction of the Federal Government for the preceding year.
The Secretary of Defense shall, by July 1 of each year, submit to the Director and the appropriate congressional committees information for the preceding year regarding the number of air and maritime patrol hours primarily dedicated to drug supply reduction missions undertaken by each component of the Department of Defense.
Subject to paragraph (2), the head of a National Drug Control Program agency shall, unless exigent circumstances require otherwise, notify the Director in writing regarding any proposed change in policies relating to the activities of that agency under the National Drug Control Program prior to implementation of such change. The Director shall promptly review such proposed change and certify to the head of that agency in writing whether such change is consistent with the National Drug Control Strategy.
Not later than February 1 of each year, in accordance with guidance issued by the Director, the head of each National Drug Control Program Agency shall submit to the Director a detailed accounting of all funds expended by the agency for National Drug Control Program activities during the previous fiscal year and shall ensure such detailed accounting is authenticated for the previous fiscal year by the Inspector General for such agency prior to the submission to the Director as frequently as determined by the Inspector General but not less frequently that  every 3 years.
The Director may meet the requirements of this subsection by utilizing, updating, or improving existing Federal information systems to ensure they meet the requirements of this subsection.
Not later than 3 years after October 24, 2018, the Comptroller General of the United States shall submit to Congress a report examining implementation of this subsection.