After the vehicle has been registered, the annual renewal month for your tag is as follows:

Renewal month/first letter of last name:
January: A and D
February: B
March: C 
and E
April: F, G 
and N
May: H 
and O
June: M 
and I
July: P 
and L
August: J, K 
and R
September: Q, S 
and T
October: U, V, W, X, Y 
and Z
Oct/Nov: National Guard, Commercial 
and Fleet Vehicles 

The tax on used vehicles is paid in advance from time of registration until the owner’s renewal month. Taxes on new vehicles are deferred until the owner’s subsequent renewal month.