Which values are allowed, banned or require declaration depends on the laws of the state you are going to. More precisely, from which, at the end of the journey, it is necessary to fly away, since the prohibitions concern mainly the exportation. Thus, items of cultural value require special permission for export from almost any country, this category includes weapons and their main components. Many countries have established a taboo on the export of plants and animals.
To avoid trouble when leaving, it is necessary to study the rules and prohibitions on the import and export of certain items from the country.]