What are the implications if you are ordered to have one and still refuse to cooperate? Especially if you have agreed to the child not being returned to you already - hence there is no point in it but for the LA to impose mental cruelty on you?

Simple answer - no. They will do their level best to destroy you and your family at all costs. They are only interested in prioritising their own security of employment over and above anyone else. Unless you photograph and record everything in front of them they will twist and lie, under the auspice...