50 U.S.C. § 3620
Not later than 30 days after the date on which the Director of the National Security Agency determines the occurrence of an intelligence collection adjustment, the Director shall submit to the congressional intelligence committees, the Committee on Appropriations of the Senate, and the Committee on Appropriations of the House of Representatives a notification of the intelligence collection adjustment.
In this section:
The term "congressional intelligence committees" has the meaning given that term in section 3003 of this title.
The term "intelligence collection adjustment" includes a change by the United States Government to a policy on intelligence collection or the prioritization thereof that results in a significant loss of intelligence.
50 U.S.C. § 3620