There are multiple definitions - click on the translation that matches your context.

Richtlinie

Substantiv

full

policy statement

Comparative law notes

Germany

If the context suggests that the term is used as organizational course or principle of action, then "policy" (which can be written or unwritten) or "policy statement" (written) is the best translation choice.

Definitions of policy statement

English

a document outlining a set of agreed ideas about a particular issue

We all agreed on the policy statement concerning the environment, employment and our role in the community.