After hearing the testimony and evidence regarding the claims, I will make a decision based on the laws available to render orders, including sanctions, against the person who has violated the law.
於聽取了索賠相關證詞及證據之後，本人將基於現行有效法律定案來作出命令，包括對違反法律人士進行制裁。

這裡的render翻譯為“作出”，不宜譯為“提交”。

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Note added at 43分钟 (2020-09-07 08:47:47 GMT)
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詞條輸入錯誤，當為“作出命令”

在听到了有关索赔的证词和证据之后，我将根据可用于对定谳令，犯法律的人下达命令（包括制裁）的法律做出决定。

After hearing the testimony and evidence regarding the claims, I will make a decision based on the laws available to render orders, including sanctions, against the person who has violated the law.

在於聽取了與索賠有關的證詞及證據之後，我將依據現行法律來做出簽發命令的決定，包括對違法者予以制裁。

make a decision 是接 to render orders的，或者說to render orders是 decision 的定語。
decision based to render orders 要作為一個整體來翻譯，on the laws available只是一個插入語。