It's implemented differently in every application, and you can't say one way is correct, because the documentation is so miserable.

The Directive is implemented differently in different nations.

The test code can then test each different software component without being aware that what has been injected is implemented differently.

However, some recommendations are being implemented differently than originally proposed.

Because of Russia's strong autocratic state, the vanguard party had to be implemented differently.

The transformation feature has been implemented differently in the U.S. release.

The underlying I/O part of the stack is differently implemented for different languages.

The system is implemented differently in each of the three locations.

Reverse is typically implemented differently; see the section on Reverse.

The common rules are also implemented differently in the various Member States.