2006 New York Code - Contracts.

 
    § 119-g. Contracts. Two or more municipalities are hereby empowered to
  enter   into  contracts  to  provide  for  common  drainage  facilities,
  including joint acquisition, construction,  operation  and  maintenance.
  Such   contracts   shall  provide  for  the  method  of  acquisition  or
  construction of the common facilities; the management and  operation  of
  the  system;  the  method  of  fixing  the  proportionate  share of each
  participating municipality and of making contributions;  the  method  of
  making annual adjustments of the proportionate shares of the annual cost
  and  expense;  the  adoption  of  rules  and  regulations  covering  the
  operation of the system; the adjudication  of  disputes  and  all  other
  matters necessary to effectuate such an arrangement.