They are contractually bound to maintain the security of personal information.
For example, money in banks and other forms of investment are contractually bound.
The players entering their option year were contractually bound to report to camp.
An ecology of trade, yes, each niche needed, even if they're not contractually bound.
But we taxpayers are contractually bound to go on renting them, paying several million a month, for the next 25 years.
Once an award is made to your company, you are contractually bound to deliver the product or service described in the specifications.
In Europe, the practice of hiring curators who are not contractually bound to an institution has been common for a while.
The Bank was therefore contractually bound to honour its customer's demand to pay him.
Ms. Gellar, it turns out, is contractually bound to the program for another couple of years.