Which amendment addresses the salaries of the members of congress

27th amendment

The 27th amendment deals with pay raises or decreases for members of Congress. It is about the salaries of the government

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.