DWI step down 39:4-50(a)(3)
A person who
has been convicted of a previous violation of this section need not be charged
as a second or subsequent offender in the complaint made against him in order
to render him liable to the punishment imposed by this section on a second or
subsequent offender, but if the second offense occurs more than 10 years after
the first offense, the court shall treat the second conviction as a first
offense for sentencing purposes and if a third offense occurs more than 10 years
after the second offense, the court shall treat the third conviction as a
second offense for sentencing purposes.
39:4-50(a)(3)