a) kontrollen af de pågældende virksomheder skal foregå uanmeldt på stedet under hensyntagen til det i artikel 10, stk. 2, litra d), omhandlede fremstillingsprogram og de anvendte mængder og mindst én gang pr. måned; den skal for mellemprodukterne bl.a. vedrøre produktionsforholdene og overholdelsen af det mælkefedtindhold, der er angivet i henhold til artikel 8, stk. 2, ved:
(a) on-the-spot inspections of the establishments concerned shall be carried out unannounced on the basis of the manufacturing programme as referred to in Article 10 (2), (d), at a frequency which shall depend on the quantities used, but at least once a month. Inspections shall relate in particular to the conditions in which the intermediate products are manufactured and compliance with the requirements regarding butterfat content as declared in accordance with Article 8 (2), by means of: