I had a formal one with my previous t, signed and all with copy given to my wife (my choice). I don't have a formal one with new t tho. We agreed that I can call of something comes up, and I am expected to reach out if safety is a concern. Sh is not necessarily a reason to call, tho I can leave her a message if I chose to. I'm also expected to ask for extra sessions if need be. She has also said to hang on to formal crisis plan from other t and use as necessary (it was more of a "steps to take if...").