Can you post that even more relevant section for us?
Great link for info on FISA:
http://www.fas.org/irp/agency/doj/fisa/
50 USC 1802 Permits Warrantless Surveillance
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)