Third-party proceedings or appeals to the Court of Cassation may not be brought against:
1° Decisions rendered pursuant to V of Article L. 626-30;
2° The judgments mentioned in Article L. 661-6 and the rulings handed down pursuant to I and II of the same article.
An appeal in cassation is only open to the public prosecutor against rulings handed down pursuant to III, IV and V of Article L. 661-6.