Analyze the following sentence, and determine the "correct" or "non-correct" of each of them.

1. Judicial decisions are direct source of international law.
2. The effect of any treaty in leading to the formation of rules of International law depends on the nature of the Treaty concern party.
3. NGOs with legal personality are not able to participate directly with international bodies and organizations created by legislation and treaties.
4. States have no right to be free from intervention in their domestic affairs.

5.Multinational corporation is an association of States, established by a treaty between two or more States for certain purposes.