Declassified court order on NSA surveillance

The or­der from the For­eign In­tel­li­gence Sur­veil­lance Court lays out the rules un­der which the pro­gram op­er­ates, mir­ror­ing the de­scrip­tions that Amer­ic­an of­fi­cials have giv­en in the weeks since the pro­gram was dis­closed by former NSA con­tract­or Ed­ward Snowden.