I tot suspension 1 year n above, must retake tp ??
For new or probationary drivers
If you accumulate 13 or more demerit points during the probationary period of 1 year, the driving license
can be revoked and become invalid.
The license holder will have to retake all the necessary driving tests (theory and practical) in order to obtain a license to drive or ride a motor vehicle again.
For non-probationary drivers
For non-probationary drivers who have no previous suspension record with the Traffic Police and have accumulated 24 or more demerit points within 24 consecutive months, their driving licenses will be liable for a first suspension of 12 weeks.
For drivers who have previous suspension records and who accumulate 12 or more demerit points within 12 consecutive months, their driving licenses will become liable for subsequent suspensions of up to 36 months.
Where the suspension period lasts a year or longer, his driving license will become revoked and invalid. The license holder will have to retake all the necessary driving tests before he can obtain his license again.
https://singaporelegaladvice.com/law-articles/charged-traffic-offence-singapore/