In the following provisions of this Act—
"dairy"—
includes any farm, cowshed, milking house, milk store, milk shop or other premises from which milk is supplied on or for sale, or in which milk is kept or used for purposes of sale or for the purposes of manufacture into butter, cheese, dried milk or condensed milk for sale, or in which vessels used for the sale of milk are kept, but
does not include a shop from which milk is supplied only in the properly closed and unopened vessels in which it is delivered to the shop, or a shop or other place in which milk is sold for consumption on the premises only;
"dairy farm"—
means any premises (being a dairy) on which milk is produced from cows, but
does not include any part of any such premises on which milk is manufactured into other products unless the milk produced on the premises forms a substantial part of the milk so manufactured;
"dairy farmer" means a dairyman who produces milk from cows; and
"dairyman" includes an occupier of a dairy, a cowkeeper, and a purveyor of milk.
If any question arises under paragraph (b)(ii) of subsection (1) whether the milk produced on a farm or other premises forms a substantial part of the milk that is manufactured into other products on that farm or on those premises, that question shall be determined by the Minister.