A driver must not overtake:

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Correct answer

If they do not have visibility ahead for such a distance that is necessary for safe overtaking.

At night.
If they do not have visibility ahead for a distance necessary for safe overtaking; this does not apply on a one-way road and when overtaking cyclists.

Legal Basis: You can find this in § 17, paragraph 5, letter b) of Act No.

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Legal basis: Zákon č. 361/2000 Sb., § 17 odst. 5 písm. a)

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