Germany ruled in a democratic parliamentary federal republic. Regime of Germany is based on the Constitution of the Year2492 called grundgesetz (law) a law that grundgesetz instead verfassung (constitution) is the intention that it will be replaced by the constitution once Germany was included as a single state.Section involving fundamental rights and separation of powers, the federal structure. And the right to resist attempts to subvert the Constitution endures forever. Irreparable grundgesetz name continued to be used after including Germany.(German:.bundeskanzler; English.chancellor) is the head of government. Is the executive power. Whittle is currently Tue Merkel legislative power of the Parliament, which consists bundestag the House of Representatives. Members are elected directly and bundesrat.President. (Bundespräsident) is.