(1) Within the meaning of this law, a person undermines the continued existence of the Federal Republic of Germany if he causes the end of its freedom from foreign domination, the abolition of its national unity, or the secession of one of its constituent territories.

(2) Constitutional principles, within the meaning of this law, shall be

1.  the right of the people to exercise state power in elections and ballots and through particular organs of legislative, executive and judicial power and to elect Parliament in general, direct, free, equal and secret elections;

2.  the subjection of legislation to the constitutional order and the subjection of the executive and judicial power to law and justice;

3.  the right to form and exercise a parliamentary opposition;

4.  the possibility of dissolving the government and its responsibility to Parliament;

5.  the independence of the courts; and

6.  the exclusion of any government by force and arbitrary rule.

(3) Within the meaning of this law

1.  efforts against the continued existence of the Federal Republic of Germany shall mean efforts by supporters who actually work toward undermining the continued existence of the Federal Republic of Germany (subsection (1) above);

2.  efforts against the security of the Federal Republic of Germany shall mean efforts by supporters who actually work toward undermining the external or internal security of the Federal Republic of Germany;

3.  efforts against constitutional principles shall mean efforts by supporters who actually work toward abolishing, suspending the application of or undermining a constitutional principle (subsection (2) above).