The title of this thesis is Espionage Delinquency Committed by Diplomatic Agent (Case Study of
Rlegal Interception Committed by Australia Ambassador towards Officials Government of
Indonesia). The legal issue ofthis thesis is the fact that diplomatic agent often involves criminal
offences in the receiving state; one ofthem is espionage act. Then the purpose ofthis thesis is to
find out the legal consequences ofespionage delinquency committed by diplomatic agent related to
the case ofDlegal Interception Committed by Australia Ambassador towards Officials Government
of Indonesia. The method of this research is literature research. Automatically, the kind of this
research is normative law research which is a research focused on positive law norms. The result
of this research are. the receiving state can declare persona non grata to diplomatic agent who
committing espionage act, but in certain case, the receiving state can request·the sending state to
waive the immunity and inviolability ofdiplomatic agent. In the case ofIndonesia and Australia,
the Indonesia government takes some responses, these are: sending protest note to Australia
ambassador, recalling Indonesia ambassador in Canberra and reviewing bilateral treaty and
cooperation between Indonesia andAustralia, which it can be qualified as countermeasure