4.—(1) A milk purchase contract must—
(a)be in writing; and
(b)be signed by all parties to the contract.
(2) An electronic signature is sufficient to satisfy the requirement in paragraph (1)(b).
(3) An “electronic signature” is so much of anything in electronic form as—
(a)is incorporated into or logically associated with any electronic communication or electronic data; and
(b)purports to be so incorporated or associated for the purposes of being used in establishing the authenticity of the communication or data, the integrity of the data, or both.
5.—(1) A milk purchase contract must be—
(a)a fixed-duration contract; or
(b)an evergreen contract.
(2) A “fixed-duration contract” is a milk purchase contract that will terminate—
(a)on the expiry of a specific period; or
(b)on a specified date.
(3) An “evergreen contract” is a milk purchase contract that will continue until one of the parties terminates it.
(4) The milk purchase contract must state whether it is a fixed-duration contract or an evergreen contract.
(5) A milk purchase contract must specify the date on which the obligation to supply milk commences, if this is different from the date on which it is signed.