(a)
Nothing in Section 632, 632.5, 632.6, or 632.7 prohibits a city attorney acting under authority of Section 41803.5 of the Government Code, provided that authority is granted prior to January 1, 2012, or any person acting pursuant to the direction of one of those city attorneys acting within the scope of his or her authority, from overhearing or recording any communication that they could lawfully overhear or record.
(b)
Nothing in Section 632, 632.5, 632.6, or 632.7 renders inadmissible any evidence obtained by the above-named persons by means of overhearing or recording any communication that they could lawfully overhear or record.