It,s mandatory . It says so right in the information posted. They can't just say oops sorry or no thanks...
Pursuant to Local Civil Rule 16.3, all party representatives and claims adjusters for insured defendants with full and unlimited authority to negotiate and enter into a binding settlement, as well as the principal attorney(s) responsible for the litigation, must be present and legally and factually prepared to discuss and resolve the case at the mandatory settlement conference. Retained outside corporate counsel shall not appear on behalf of a corporation as the party who has the authority to negotiate and enter into a settlement.