>A telecommunications carrier shall
ensure that any interception of
communications or access to call-
identifying information effected
within its switching premises can
be activated only in accordance with a court order or other lawful
authorization and with the
affirmative intervention of an
individual officer or employee of
the carrier acting in accordance
with regulations prescribed by the Commission.
I'm not a lawyer, but it's clear to me that the word "only" is doing a lot of heavy lifting. Two wildly different interpretations of the law hangs on a single word.