I was going to add this to the designer breed thread but is already well along in it's hijacking
I've been on both sides of the fence on the breeding contract issue and my current position on Non Breeding Certificates. I LOVE THEM!
The first point I want to make clear is a NBC does not preclude breeding a bitch and having hundreds of pups if that's your goal it just means those pups will not join the registry.
A breeder has very little control over how a dog is raised, trained or treated once it is out of your hands. One thing you can control in a small degree is the genetic pool of your registered breed of choice. Lets face it, most dog owners are guilty of looking at their dogs through rose coloured glasses especially non working breeds. It seems the more worthless or far removed from it's intended role the dog is the more $ it's pups will command but that's another thread.
First of all try as we might as breeders not every dog is breeding material. There has to be some way to control these genetic culls and a NBC is perfect. They may be fine pets or have an outstanding character trait but just don't merit breeding.
Usually you can spot the person who absolutely requires a NBC right off because they will start talking about breeding before the pup is even house trained never mind proven it's worth as breeding stock.
Standards to remove a NBC will vary but cost only $15 to reverse. I have mine and they will differ from others. Some will be judged merely on looks which is why official registries can be a death knell for working breeds.
I could say more but will leave it there for now.