If you cannot reach agreement, then depending on the issue preventing agreement, we would first seek the assistance of an outside professional such as a child expert, accountant or valuer to assist with resolving the issues.
If, despite the best endeavours of the parties, lawyers and the experts, you still cannot reach an agreement and going to court is the only alternative, then the lawyers and the experts must withdraw from the case.
Your collaborative lawyer will be able to refer you to a lawyer to conduct your case in court for you, but your collaborative lawyer can never represent you in court. They also cannot be witnesses in your court case. The same rules apply to the collaborative experts.