A ten score years ago I would have said yes as I lived not far from you, since a few moves ago I headed down to deliverance country in the deep dark south.
And yes you are right a D,P,O, would negate it's use if it stopped you working, you could try open negotiation with C.S.A. if this situation does arise. you may be able to come to an agreement.
By the way just because it's destructive to the situation it does not mean they won't carry it through and still charge capacity to earn as well so do some thinking and if you get a chance have a look at Family Law Web Guide.
Although DID's is the best site on the net for support we do not have the capacity to provide the best legal resources, hey you can't be the best of everything
You are right to only talk about what you are comfortable and now we can help, support and chat about anything you'd like.
best of luck D4E