32. The Régie may require that expert witnesses whose services have been retained by participants communicate with each other to
(1) exchange information and documents relating to facts or opinions on which they disagree;
(2) discuss the facts or opinions on which they disagree to reduce the number of or eliminate the disputed issues;
(3) come to a consensus on the facts, matters and opinions to be decided by the Régie.
The expert witnesses must file the results of their communications with the Régie.