While technically legally binding, the "no stealing numnums of any kind" provision has never been successfully enforced in court
Pavel
18th century "cat contract" (納貓兒契式; based on a Yuan-dynasty original), laying out the cat's duties and responsibilities: tirelessly guarding the grain, repelling the "mousey bandits" (鼠賊), not messing with the livestock, not stealing numnums "of any kind whatsoever" (不得偷盜食諸般).
