However, in the absence of border controls between Italy and Austria, your passport does not use any document proving that you have “left” the Schengen area and entered Austria under the Visa Waiver Agreement. Later, an immigration officer might appear to have crossed the 90-day limit below which you have the right to stay in the Schengen area. If you are considered an offence and cannot prove otherwise, it is a serious offence with possible sanctions such as a fine, deportation, notification on your passport and entry ban. You need to validate your movements and one of the ways to do this is to keep all hotel and restaurant receipts as well as all plane, train and bus tickets. I am about. The effective period during which you can stay in a country under visa waiver agreements varies. In most cases, it is 90 days, but there are exceptions. In Belgium, for example, it is 60 days. “Please note that there is currently a separate bilateral agreement between Norway and Australia, which allows stays of up to 90 days in Norway in addition to every day in a non-Nordic Schengen country. . . .