In California, you must renew a boat's Certificate of Number every two years.
3 Years
Once a year.
evry 2 years
every 2 years
In Oregon, you must renew a boat's certificate of number every two years
Every year.
On the forward half of the vessel.
Once a year or Once every two years
Depends how often you go on a boat
How often should you change water pump in a boat
the number of the boat is.......20421