§ 1881. Definitions
(a)
In general
The terms “agent of a foreign power”, “Attorney General”, “contents”, “electronic surveillance”, “foreign intelligence information”, “foreign power”, “person”, “United States”, and “United States person” have the meanings given such terms in section
1801 of this title, except as specifically provided in this subchapter.
(b)
Additional definitions
(4)
Electronic communication service provider
The term “electronic communication service provider” means—
(B)
a provider of electronic communication service, as that term is defined in section
2510 of title
18;