SPECIAL PART
CHAPTER TWO
TREASON AND ENDANGERING EXTERNAL NATIONAL SECURITY
Section 100
Engaging in relations that endanger peace
(1) Whosoever as a German, who has his residence in the Federal Republic of Germany, and with the intent of starting a war or armed attack against the Federal Republic of Germany, establishes or maintains relationships with a government, organisation or institution outside the Federal Republic of Germany or one of its intermediaries, shall be liable to imprisonment of not less than one year.
(2) In especially serious cases the penalty shall be imprisonment for life or not less than five years. An especially serious case typically occurs if the offender through the offence creates a serious danger to the continued existence of the Federal Republic of Germany.
(3) In less serious cases the penalty shall be imprisonment from one to five years.
Aggression
Jurisdiction
Residence Jurisdiction
National penalties - aggression
National penalties - maximum penalty
National penalties - life imprisonment
EDIT.