work to rule
n.— «Teachers are now following the existing contract to the letter, a practice called “work to rule.” Teachers begin and end the work day specified in the contract and no earlier or later.» —“Westborough teacher contract talks heat up” by John Fenuccio MetroWest Daily News (Framingham, Massachusetts) Apr. 23, 2008. (source: Double-Tongued Dictionary)
Further reading
National Book Award winner Barry Lopez had wise advice for young writers. First, read widely and follow your curiosity. Second, travel or learn a foreign language. And third, find out what you truly believe, because if you’re not writing from...
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...
This has been used, in England at least, for decades — at least since the 1950s when I first heard it, and I suspect much earlier. The derivation is from the union rule book.
I haven’t looked up any references yet, but I am sure they will be easy to find.