official doctrine, n.All

Official doctrine (n.) sometimes ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠catches up with practice, and that is called a policy reversal: what was illegal is now authorized because it never stopped.