Which statement about Article 148-2(1) of the Road Traffic Act, which imposes heavier penalties on repeat drunk-driving offenders, is NOT correct? (All cases involve driving a motor vehicle.)

1. ①Even if the earlier drunk-driving case ended with only a criminal fine rather than prison, it applies if the person drives drunk again within 10 years from the date the sentence became final
2. ②If the person drives drunk again more than 10 years after the earlier sentence became final, this provision does not apply
3. ③If the earlier punishment was for refusing an alcohol test, that is a different offense from drunk driving, so this provision does not apply even if the person now drives drunk
4. ④Even if the earlier sentence has already lapsed, it applies if the person drives drunk again within 10 years from the date the sentence became final