REGISTRATION YEAR

1906-38:  1/1 to 12/31

1939:     1/1/1939 to 3/31/1940

1940-79:  4/1 to 3/31 ("EXP.3-31-42" added 1941)

Monthly Staggered Registration began 10/1/1979, expire "SEP 80",

for new registrations.  MAY and OCT not used.  Monthly Staggered

Registration began 4/1/1980, expire "SEP 80" to "AUG 81",

assigned randomly by computer, for renewals.  MAY and OCT used.

New registrations since expire previous month of next year.

Numeric months began "9-82".