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In California, you must renew a boat's Certificate of Number every two years.
3 Years
evry 2 years
Once a year.
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
my serial # is 81885 on a Silverline boat.