lol second one sounds ridiculous if you understand the meaning.
So the thing is, it’s something called subjunctive mood..
Whenever there’s an order or a request placed - we are to use subjunctive mood — the use of “be” or first form of verb.
You can’t use “to be” because it conveys a different meaning — it says candidates should finish themselves or something like that.
In British English, too, such constructions are used.
We don’t use it often that’s why it’s unusual to us, at first.
Mandate and such “bossy verbs” require the use of “that” esp on gmat and in English language as well.
That’s just how it’s written as if a circular is given after those verbs
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