Lesson learned: Put it in writing
Lesson learned: Put it in writing
The facts in the case are detailed, but in essence, the court held that although it has been long understood that the parties to a collective bargaining agreement may change most terms by conduct (i.e., without a signed amendment), by contrast, the precise terms of pension contributions contained in an ERISA (Employee Retirement Income Security Act) multiemployer pension plan document can only be changed in writing.