25.—In this Part of this Act the following expressions when used in relation to a mill in respect of which a milling licence is in force have the following meanings respectively, that is to say:—
the expression “quota year” means the cereal year next following the date of the grant of such licence, or any successive cereal year during any part of which such licence is in force;
the word “quota” means the amount of wheat to be milled at such mill during any period in respect of which the word is used.