The phrase "applied a policy" is correct and usable in written English.
It can be used when discussing the implementation or enforcement of a specific policy within an organization or context.
Example: "The management team applied a policy to improve workplace safety standards."
Alternatives: "implemented a policy" or "enforced a policy".
He modernized the police, applied a policy of restraint that spared New York the tragic shootings that occurred elsewhere, and left the city the sixth safest of the top 25 cities in F.B.I. statistics.
I applied a policy of sorts to the inclusion of images: it had to illuminate something in the text, rather than being a decorative piece to fill a space.
The effect on the system due to the influence (positive or negative) is clearly evident from Fig. 10 that shows the number of cheaters for position in a world where on the left is applied a policy of strong contrast and on the right of low contrast.
They applied a policy empowerment index to understand how policy planning can affect constituent empowerment.
We applied a policy analysis framework to examine and synthesize the findings of the selected papers.
In Cuba, the state applied a policy of coercive HIV testing for all pregnant women and for people with sexual transmitted diseases (29, 30).
Thus, it was very difficult — even impossible — to apply a policy uniformly throughout the empire.
Policy transfer is the process of applying a policy, or knowledge that informs a policy, from one setting to another.
The best way to ensure that social workers will apply a policy is for them to hear a respected colleague say that he or she finds it beneficial.
The action raises questions about how consistently the Bush administration intends to apply a policy that had vowed to crack down on terrorist groups worldwide.
In letters sent late Wednesday to several Democratic lawmakers, Homeland Security Secretary Janet Napolitano said she was clarifying guidelines that enforcement officers had used when applying a policy of prosecutorial discretion in cases of illegal immigrants with no criminal convictions.
