REGISTRATION YEAR

1910-37:  1/1 to 12/31

1938:     1/1/38 to 2/28/39

1939-68:  3/1 to 2/28

1969:     3/1/69 to 3/31/70

1970-79:  4/1 to 3/31

Monthly Staggered Registration began 10/1/1979 for new registrations,

based on registrant's birthday, and 4/1/1980 for renewals, expire

"NOV 80" to "OCT 81", according to registrant's birthday.

New registrations since assigned same way.