A word meaning ‘enacted as law, but not yet implemented as social practise’ [closed]

Perhaps it is a de jure but not de facto law ...

[...] De facto means a state of affairs that is true in fact, but that is not officially sanctioned. In contrast, de jure means a state of affairs that is in accordance with law (i.e. that is officially sanctioned). Most commonly, these phrases are used to describe the source of a business or governmental leader’s authority, but they apply to a wide variety of situations. [...]
— https://onlinelaw.wustl.edu/blog/legal-english-de-factode-jure/

For example:

De jure Segregation refers to intentional actions by the state to enforce racial segregation. The Jim Crow Laws of the southern states, which endured until the 1960s, are examples of de jure segregation. In contrast, de facto racial segregation, which occurred in other states, was accomplished by factors apart from conscious government activity.
— West's Encyclopedia of American Law