What does annulling a decision imply?

Annulling a decision refers to the act of completely nullifying or invalidating a previous ruling. This process signifies that the prior ruling is treated as though it never existed, without leaving any legal effect or consequence. Therefore, it essentially resets the situation to what it would have been as if the initial decision had never been made. This distinction is crucial in legal contexts, as annulment can affect rights, obligations, or potential appeals associated with the original decision.

In contrast to this concept, modification or delay would imply that the original ruling still holds some weight or that there might be a future moment when it becomes effective or is adjusted, which is not the case with annulment. Thus, the correct choice directly encapsulates the idea of complete cancellation without any residual implications of the prior ruling.