sentences:  A wrinkle in this arrangement occurred as the project neared completion, however, when Saskatchewan's newly installed NDP government refused to pay its share of $190 million in cost overruns.The other players eventually agreed to pay Saskatchewan's share, but would withhold returns to that province until they had recovered Saskatchewan's arrears.The upgrader went on stream in mid-1992, but required debottlenecking before it could reach design capacity of .