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	此作品在美国属于公有领域，因为其是由美国政府的官员或雇员，基于其个人公务目的制作的作品，参考美国法典第17篇第1章第105条。 注意︰本模板仅适用于美国联邦政府的原创作品，不适用于任何美国州、属地、联邦个体、县、市或任何次级政府的作品。本模板也不适用于1978年以后由美国邮政署出版的邮票图案（参看美国版权局实践纲领第313.6(C)(1)条）。也不适用于部分美国硬币；参看美国铸币局使用条款。
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse