Sentence: Firm recommend that libel and insult should be decriminalized

[Klpno]

Hello everyone

I'd like to ask if I need to use "should" in the following sentence:

Annual Central Asian conferences organized under the aegis of an OSCE representative on Freedom of the Media recommend that libel and insult should be decriminalized.

[Mister Micawber]

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It is optional.
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_________________
Native English teacher at Mister Micawber's

[Diverhank]

Klpno, the word "recommend" implies "should" already...I don't think you need to use "should" here. It takes away from the sentence.

[Klpno]

Mister Micawber and Diverhank, thank you very much.