The grounds the voluntary surrender criminal suspect having lighter punishment lie in two factors: less dangerous of human safety, less judicature cost.
自首犯从轻处罚的根据在于：人身危险性减小；自首降低了司法成本。
参考来源 - 自首制度的几个基本问题·2,447,543篇论文数据，部分数据来源于NoteExpress
However, if this Law does not deem it a crime or imposes a lighter punishment, this Law shall apply.
但是，如果本法不认为是犯罪或者处刑较轻的，适用本法。
In the Criminal Law of China, article 29 , section 2 states:"provided the person is not guilty of the instigated crime, the instigator may be punished less severely or with a lighter punishment".
我国刑法第2 9条第2款规定：“如果被教唆的人没有犯被教唆的罪，对于教唆犯，可以从轻或减轻处罚。”
If the instigated person has not committed the instigated crime, the instigator may be given a lighter or mitigated punishment.
如果被教唆的人没有犯被教唆的罪，对于教唆犯，可以从轻或者减轻处罚。
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