From the U.S. Code Online via GPO Access
[wais.access.gpo.gov]
[Laws in effect as of January 6, 1997]
[Document not affected by Public Laws enacted between
January 6, 1997 and November 30, 1998]
[CITE: 50USC421]
TITLE 50--WAR AND NATIONAL DEFENSE
CHAPTER 15--NATIONAL SECURITY
SUBCHAPTER IV--PROTECTION OF CERTAIN NATIONAL SECURITY INFORMATION
Sec. 421. Protection of identities of certain United States
undercover intelligence officers, agents, informants, and
sources
(a) Disclosure of information by persons having or having had access to
classified information that identifies covert agent
Whoever, having or having had authorized access to classified
information that identifies a covert agent, intentionally discloses any
information identifying such covert agent to any individual not
authorized to receive classified information, knowing that the
information disclosed so identifies such covert agent and that the
United States is taking affirmative measures to conceal such covert
agent's intelligence relationship to the United States, shall be fined
not more than $50,000 or imprisoned not more than ten years, or both.
(b) Disclosure of information by persons who learn identity of covert
agents as result of having access to classified information
Whoever, as a result of having authorized access to classified
information, learns the identify of a covert agent and intentionally
discloses any information identifying such covert agent to any
individual not authorized to receive classified information, knowing
that the information disclosed so identifies such covert agent and that
the United States is taking affirmative measures to conceal such covert
agent's intelligence relationship to the United States, shall be fined
not more than $25,000 or imprisoned not more than five years, or both.
(c) Disclosure of information by persons in course of pattern of
activities intended to identify and expose covert agents
Whoever, in the course of a pattern of activities intended to
identify and expose covert agents and with reason to believe that such
activities would impair or impede the foreign intelligence activities of
the United States, discloses any information that identifies an
individual as a covert agent to any individual not authorized to receive
classified information, knowing that the information disclosed so
identifies such individual and that the United States is taking
affirmative measures to conceal such individual's classified
intelligence relationship to the United States, shall be fined not more
than $15,000 or imprisoned not more than three years, or both.