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Can I say " There are no laws in China that forbid people from drinking alcohol on DownTown"?

Can I say " There is no law in China that forbid people from drinking alcohol on DownTown"?
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samerrustom law countable or uncountable
There are no laws in China that forbid people from drinking alcohol downtown.
There is no law in China that forbids people from drinking alcohol downtown.

In your second sentence, 'law' is singular and countable. Both sentences are OK and carry the same message.
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Law made in derogation of His righteousness

anonymous

Law made in derogation of His righteousness

Right. Nobody said that "law" is never uncountable.