contractually

From contractual + -ly.

contractually (not comparable)

1. By means of a contract.
   • 2023 September 29, Adam Seth Litwin, “Hollywood’s Deal With Screenwriters Just Rewrote the Rules Around A.I.”, in The New York Times‎^[1], →ISSN, archived from the original on 5 October 2023:

     They also could have circumvented W.G.A. members altogether. Instead, this deal guarantees a contractually mandated context in which A.I. can be utilized — one that benefits, rather than impedes or replaces, the workers.