(a) The provisions for prompt payment for milk prescribed under section 258-b(2) of the law shall apply to both bulk and packaged milk purchased or received by a milk dealer from a cooperative corporation or associations of producers.

(b) The prohibitions and violations relating to the sale of milk by a milk dealer to another milk dealer pursuant to section 258-b(15) of the law shall apply to the sale of milk by a cooperative corporation or association of producers to a milk dealer.