"complement the policy" is correct and usable in written English.
You can use this phrase when you are talking about something that adds to or completes an existing policy. For example, "This new initiative will complement the policy we have in place to ensure the safety of our customers."
"This is a once-in-a-lifetime opportunity to complement the policies and priorities of Governor Cuomo and the State Legislature," Mr. Sayre said in a very prepared statement.
This policy complements the policies of the US National Institutes of Health, the Wellcome Trust and other research funding bodies around the world.
"Such interventions should complement the monetary policy committee's [MPC] asset purchases".
During the early 1960s then-President Sukarno declared a new state ideology of Nasakom, which stood for Nasionalisme, Agama, dan Komunisme (Nationalism, Religion, and Communism), which would complement the existing policy of Pancasila.
This was to complement the overall policy framework by providing detailed recommendations for each of the main types of cancer.
This needs to be complemented at the policy level by establishment of task forces/working groups aligning interventions to address both disease categories, capitalizing on existing capabilities, without competing for resources [ 16].
"In general terms, a fiscal program that combines near-term measures to enhance growth and strong, confidence-inducing steps to reduce longer-term structural deficits would be an important complement to the policies of the Federal Reserve," Mr. Bernanke said.
These efforts complement work at the policy and legislative level to end segregation and promote multiethnic and intercultural education.
Such initiatives at the municipal and cantonal levels complement work at the policy level to support the implementation of the Law and Strategy on Pre-school Education and expand access to preschool.
Transport Network analysis and simulation: it supports and complements the shared policy sub-set evaluation through a set of simulation models considering performances and flows deriving from the interaction between stakeholders' choices (i.e. the demand generator of freight transport) and transport infrastructures/services (i.e. the supply) [46].
