An intervention is when you make a comment during another MP’s speech. You can try to intervene on another MP by rising slightly, trying to catch the MP’s eye and asking them to give way. They’re under no obligation to accept an intervention, and if they make it clear that they don’t intend to do so, you should resume your seat.
You may only intervene on a speech, not on another intervention.
Interventions should be brief and relate to the subject of the speech. The Speaker is likely to call you to order if your intervention is too long.
As a matter of courtesy, you should not intervene immediately after arriving in the Chamber, and you should remain for a reasonable time after intervening.
You should not intervene in