A sister organization is an agency or body which is nearly or completely dependent upon another organization to exist. Sister organizations may exist in several different fields from business, government,

law enforcement Law enforcement is the activity of some members of government who act in an organized manner to enforce the law by discovering, deterring, rehabilitating, or punishing people who violate the rules and norms governing that society. The term en ...

, and within the military. Historically, the

secret police Secret police (or political police) are intelligence, security or police agencies that engage in covert operations against a government's political, religious, or social opponents and dissidents. Secret police organizations are characteristic of a ...

agencies of

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

were considered sister organizations to each other, in that the

Gestapo The (), abbreviated Gestapo (; ), was the official secret police of Nazi Germany and in German-occupied Europe. The force was created by Hermann Göring in 1933 by combining the various political police agencies of Prussia into one organi ...

and ''

Sicherheitsdienst ' (, ''Security Service''), full title ' (Security Service of the ''Reichsführer-SS''), or SD, was the intelligence agency of the SS and the Nazi Party in Nazi Germany. Established in 1931, the SD was the first Nazi intelligence organization ...

'' were almost entirely integrated with each other. In many cases, SS officers would hold dual posts in both organizations simultaneously especially at the higher levels. Within government legislation, law-making bodies with an "upper" and "lower" house are considered to be sister organizations. Such is the case with the

United States Senate The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and pow ...

and

House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entitles. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often c ...

which are considered law making sister organizations of each other.

References

* Rossum, Ralph A., ''American Constitutional Law'', {{ISBN, 978-0813347455 (Ninth Edition - 2013) Types of organization