If MBIA, Assured Guaranty and Syncora Guarantee don't sign on to the debt exchange finalized with some investors last week, then the utility known as Prepa, its fuel- line lenders and the bondholder group will work to implement a recovery plan "through a mechanism to be agreed among the parties that may include, without limitation, a judicial process, including an enforcement proceeding under applicable law," according to the Nov. 5 agreement posted on the Municipal Securities Rulemaking Board's website.