The principle of openness, as one of the basic principles in criminal proceedings,
is realised – with exceptions – in the course of the entire process. However, it is
not clear, whether this principle includes only openness external, being a form of
the availability to the public of the proceedings, or it includes openness internal
too. This second aspect of the openness is mainly the availability process for the
parties and their representatives. The article is devoted to the issue contained in question: does the principle of openness include also openness internal? The
subject of the paper is the analysis of views of doctrine in this respect. The author
focuses also on the presentation of his standpoints supported by broad argumentation.
The conclusion of the paper is based on the formulation of the thesis on
need to include openness internal to the scope of the principle of openness.