【求助】有偿求助

帮我翻译一下什么意思?
最快最全的奖励100BB~~哦也


I certify that, to the best of our konwledge,the above-named entity is exempt from U.S. tax under the U.S. internal revenue code, and is a resident of the united states of America for purposes of U.S. taxation.

I certify that, to the best of our konwledge,the above-named entity is exempt from U.S. tax under the U.S. internal revenue code, and is a resident of the united states of America for purposes of U.S. taxation.

我证明，据我所知，上面这个名字的实体根据美国国内税收法是免税的，而且是美国的常驻单位。
for purposes of U.S. taxation.没有加进去 看不懂