Each person who is required to be registered pursuant to Section 52351 shall pay an assessment annually to the secretary in an amount not to exceed forty cents ($0.40) per one hundred dollars ($100) gross annual dollar volume sales of agricultural or vegetable seed, or both, in this state for the preceding fiscal year defined in Section 52352, except in the following cases:
(a)
No assessment shall be paid by any labeler or any other person for any agricultural or vegetable seed for which the assessment has been previously paid by another labeler or person, unless the identity of the lot has been changed.
(b)
No assessment shall be paid on that portion of a person’s sales of agricultural or vegetable seed, or both, that is sold in containers of four ounces or less net weight of seed.
(c)
No assessment shall be paid on agricultural or vegetable seed, or both, sold and shipped out of this state.