In a criminal proceeding, this Division does not prevent a defendant from adducing evidence unless it is evidence of--
(a) a confidential communication made between an associated defendant and a lawyer acting for that person in connection with the prosecution of that person, or
(b) the contents of a confidential document prepared by an associated defendant or by a lawyer acting for that person in connection with the prosecution of that person.
Note--:
"Associated defendant" is defined in the Dictionary.