'It is suggested/recommended to do' is acceptable, or at least it is in heavy use in such texts, as turgid as it seems.
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Aspara Gus AlpheccaStarsThis is stilted …I don't think it's stilted at all.So you think it is incorrect?
AlpheccaStarsSo you think it is incorrect?No, I think it's fine. I mean that I don't find it "bombastic" or "stiffly formal".