Here in OR, I have to buy a invasive species permit for boats that are not registered. Boats that have current registration have already been charged the $10 fee for OR. This only applies to boats >10'. I also hunt WA with OR boats. I have been checked many times by federal game wardens, and county police. None of these guys have ever asked about the invasive species permit. I have looked through the game bird regs and haven't found anything about it. In the OR game bird regs, it clearly states that you have to have one. I know in ID I have to have one but what about WA? Let me know if anyone knows anything about this....