In Washington you don't need the other parties' consent (in the lay sense of the word) if you announce that you are recording and they continue talking. RCW 9.

In Washington you don't need the other parties' consent (in the lay sense of the word) if you announce that you are recording and they continue talking. RCW 9.73.030 (3): > Where consent by all parties is needed pursuant to this chapter, consent shall be considered obtained whenever one party has announced to all other parties engaged in the communication or conversation, in any reasonably effective manner, that such communication or conversation is about to be recorded or transmitted