While on your learner permit, if you get 5 or more demerit points in a year, you may:

1. Receive a warning letter: Once you accumulate 5 or more demerit points on your learner permit within a year, the first step taken by the authorities is usually to send you a warning letter. This letter serves to inform you of your current demerit points and the consequences of accumulating more.

2. Choose to take a good behaviour period: In some jurisdictions, you may be given the option to enter a good behaviour period. This usually lasts for 12 months, during which you must not accumulate more than a certain number of demerit points. If you do, your permit may be suspended.

3. Face suspension of your learner permit: If you continue to accumulate demerit points after receiving the warning letter and/or during the good behaviour period, the authorities may choose to suspend your learner permit. The duration of the suspension can vary depending on the number of demerit points and the specific regulations in your area.

4. Be required to attend a driver improvement course: In some cases, you may be required to attend a driver improvement course. This is designed to improve your driving skills and knowledge, and to help prevent you from accumulating further demerit points.

5. Face fines or other penalties: Depending on the severity of the offences that led to the demerit points, you may also face fines or other penalties. This could include being required to retake your driving test.

Please note that the exact consequences can vary depending on the specific regulations in your area. It's always a good idea to check with your local transport authority for the most accurate information.