105However, that principle of conforming interpretation has certain limits. The obligation on a national court to refer to the content of a directive when interpreting and applying the relevant rules of domestic law is limited by general principles of law and it cannot serve as the basis for an interpretation of national law contra legem (judgments of 15 April 2008, Impact, C‑268/06, EU:C:2008:223, paragraph 100, and of 24 January 2012, Dominguez, C‑282/10, EU:C:2012:33, paragraph 25).