2009 California Food and Agricultural Code - Section 39381-39382 :: Article 2. Labeling Of Shipping Containers

39381.  Each person that manufactures any margarine, dairy spread,
or spread shall comply with this article.

39382.  There shall be printed, stamped, or stenciled in a clear and
durable manner upon one side of each tub, firkin, box, or other
outer package in which margarine, dairy spread, or spread is removed
from the place where it is produced or put up, as distinguished from
the package in which it is to be put up for sale or sold at retail,
all of the following:
   (a) The words "oleomargarine," "margarine," "dairy spread," or
"spread," as the case may be, in plain roman letters of not less than
36-point type.
   (b) A statement, which is printed in plain roman type, of a size
not smaller than pica, which states the name and address of the
manufacturer or of the distributor.