In the most literal reading, the phrase "shall permit" refers to the required "procedures", which are themselves "approved by the Attorney General"... So that m

In the most literal reading, the phrase "shall permit" refers to the required "procedures", which are themselves "approved by the Attorney General"... So that might be "Anything, subject to the discretion of the AG"? Or does that actually require the AG to approve procedures which "shall permit the acquisition" of "[private] communication to or from a United States person" during "any intelligence collection activity not otherwise authorized"?