• It is a broadcast program and twenty years have elapsed since the end of the year in which it was first aired.
• It is a photographic work, cinematographic work, performance, or software and fifty years have elapsed since the end of the year in which it was created.
• It is another type of work and fifty years have elapsed since the end of the year in which the author died.

你必須增加美國公有領域標籤顯示為何這個作品在美國屬於公有領域。 請注意這個作品在不適用較短期限法則的國家可能並不屬於公有領域，並有超過作者逝世後50年的著作權期限。其中，墨西哥為100年，牙買加為95年，哥倫比亞為80年，瓜地馬拉與薩摩亞為75年，瑞士和美國為70年，委內瑞拉為60年。