Such an understanding has been criticised for its inability to be legally enforced.

The Z rating is legally enforced, it being illegal to sell such games to anyone under the age of 18.

The board can not legally enforce its rules.

Among the responsibilities taken on by the partners in their life together, the only ones legally enforced are those listed in the civil law.

The Convention outlawed discrimination against women, but did not include any mechanism by which this prohibition could be legally enforced.

This allows the responsibilities to be enforced legally, without requiring the existence of an external landlord or management committee over the whole building.

The silence is generally legally enforced, though in some countries it is just a "gentlemen's agreement" between leading parties.

The doctrine of socialist realism in other People's Republics, was legally enforced from 1949 to 1956.

The court ruled that the city could not legally enforce the provision because state law did not recognize sexual orientation claims.