9.__Numbers permanent.__All numbers once awarded under this section to a resident-owned snowmobile remain with that snowmobile until the snowmobile is destroyed, abandoned or permanently removed from this State, except that numbers that have been inactive for at least 7 years may be reissued by the division.

10.__Transfer of ownership, discontinuance of use.__The following provisions govern transfer of ownership and discontinued use.

A.__A person who transfers the ownership or permanently discontinues the use of a snowmobile having a resident registration or a nonresident seasonal registration and applies for registration of another snowmobile in the same registration year is entitled to a registration upon payment

of a transfer fee of $2 and is not required to pay the regular registration fee.

B.__Whenever ownership is transferred or the use of a snowmobile for which a registration has already been issued is discontinued, the old registration must be properly signed and executed by the owner showing that the ownership of the snowmobile has been transferred or its use discontinued and returned to the commissioner within 10 days of the transfer or discontinuance of use.

C.__If there is a change of ownership of a snowmobile for which a registration has previously been issued, the new owner shall apply for a new registration, shall set forth the original number in the application and shall pay the regular fee for the particular snowmobile involved.

11.__Open snowmobile weekend.__The commissioner may designate one weekend a year as an open snowmobile weekend when snowmobiles registered outside the State may be used in the State without being registered in the State.__All other provisions of this chapter relating to snowmobiles apply during an open snowmobile weekend.

12.__Restrictions.__The following provisions must be observed.