The phrase "a policy implemented" is correct and usable in written English.
It can be used when discussing the execution or enforcement of a specific policy within an organization or system.
Example: "The company has announced a policy implemented to improve employee satisfaction and productivity."
Alternatives: "a policy enforced" or "a policy enacted".
In a partial reversal of a policy implemented last fall, IS&T reinstated direct-dial incoming telephone service to MIT dormitory phones free of charge yesterday.
This paper measures the effect of a policy implemented in France in 2009 advising students on their field of study at university.
Frontex proposed an operation plan that would reproduce a policy implemented by western Balkan countries to filter arrivals at border checkpoints by nationality – something that is still illegal by European and international standards.
In particular, a policy implemented in code -- whether a lottery, a first-request-first-served system, or some other method -- might reduce multiple registration attempts more effectively than a simple prohibition against them.
The type of modeling used in this study may fail to capture the unique impact of a policy implemented in a particular manner in one state and implemented differently in another.
A policy implemented in March, during the height of a mass hunger strike, was changed in November and again in December.
Shakhtar have a total of nine Brazilians in their squad, a deliberate policy implemented by coach Mircea Lucescu when he took charge in 2004.
The results suggest that land cover changes observed in NHAR from 1991 to 2015 reflect the main goals of a national policy implemented there to recover degraded landscapes.
The group is also under further pressure from an aggressive policy implemented by Abbas, who governs in the West Bank.
Instead, separations are rising in large part because of a "zero-tolerance" policy implemented by Attorney General Jeff Sessions.
Thus, a valid health policy implemented in Romania should be valid for the rest of the Eastern European countries.
