可以提前多久换COE？3个月，半年，1年，还是不限时间？
越早越亏啊，尽量晚吧
https://www.sgcarmart.com/articles/guide-coe-renewal
2. Forfeiting PARF and COE rebates
Car owners will receive PARF and COE rebates when a car younger than 10 years old is deregistered. Choosing to keep your car and renewing it’s COE would mean that you forfeit this rebate.
2. Forfeiting PARF and COE rebates
Car owners will receive PARF and COE rebates when a car younger than 10 years old is deregistered. Choosing to keep your car and renewing it’s COE would mean that you forfeit this rebate.
Huasing Association 1999 - 2013