Where a Member State decides, pursuant to Article 17 of Regulation (EC) No 1182/2007, that producers who do not belong to producer organisations are liable for a financial contribution, it shall forward to the Commission the information needed to assess compliance with the conditions laid down in that Article. Such information shall include in particular the basis on which the contribution is calculated and the unit amount thereof, the beneficiary or beneficiaries and the nature of the various costs referred to in points (a) and (b) of Article 21.