50 USC Chapter 36
FOREIGN INTELLIGENCE SURVEILLANCE
through Pub. L. 116-282, except Pub. L. 116-260
Subchapter
I
ELECTRONIC SURVEILLANCE
Subchapter
II
PHYSICAL SEARCHES
Subchapter
III
PEN REGISTERS AND TRAP AND TRACE DEVICES FOR FOREIGN INTELLIGENCE PURPOSES
Subchapter
IV
ACCESS TO CERTAIN BUSINESS RECORDS FOR FOREIGN INTELLIGENCE PURPOSES
Subchapter
V
OVERSIGHT
Subchapter
VI
ADDITIONAL PROCEDURES REGARDING CERTAIN PERSONS OUTSIDE THE UNITED STATES
Subchapter
VII
PROTECTION OF PERSONS ASSISTING THE GOVERNMENT