Rule 1: Any inventions the artist comes across must be immediately brought to the viewer's attention.

Rule 2: Supernatural forces or powers are of course prohibited.

Rule 3: Neither may fortune come to the artist's aid, nor may he have inexplicable intuitions that turn out to be correct.

Rule 4: Only one secret chamber may be used, and only if the environment described is suitable for it.

Rule 5: Twins and phonies may appear only after the viewers have been duly prepared for them.

Rule 6: The artist may not commit the theft himself.