where a Member State decides to make a written contract for the delivery of raw milk compulsory in accordance with paragraph 1, it may establish:
i gcás ina gcinnfidh Ballstát conradh i scríbhinn maidir le seachadadh bainne amh a dhéanamh éigeantach i gcomhréir le mír 1, féadfaidh sé an méid seo a leanas a bhunú: