A description of invention (utility model)  must be drafted in the prescribed order and disclose the subject matter of the invention (utility model) in a manner sufficiently clear and complete for it to be carried out by a person skilled in the art. At the beginning of the description the relevant classification symbol in accordance with the current edition of the International Patent Classification (IPC) must be placed, followed by the title of the invention (utility model) and the following sections:
-the technical field to which the invention (utility model) relates;
-state of the art;
-the essence of the invention (utility model);
-a list of drawings (if referred to in the description);
-particulars proving  the possibility to realize the invention (utility model).