In North Sea Continental Shelf (Germany v. Denmark), the ICJ held that international law on the delimitation of continental shelf boundaries required the two states to negotiate sincerely and to make
real efforts to equitably accommodate one another's interests («to enter into negotiations with a view to arriving at an agreement... [and] so to conduct themselves that the negotiations are meaningful, which will not be the case when either of them insists upon its own position without
contemplating any modification of it...»).