9. The operator of every factory which receives milk or cream from a producer must have in his service at least one tester who holds:(a) a permit for such purpose; and
(b) a certificate attesting his qualifications for such purpose issued by the Institut de technologie agricole de Saint-Hyacinthe, or any other certificate recognized as equivalent by the Minister.
The functions of such tester shall be to take specimens of the milk or cream which the factory receives from a producer and to determine the composition and quality thereof, in accordance with the methods prescribed by regulation.
The operator shall not be required to have a tester in his service if the milk and cream which his factory receives from a producer has already been tested, in the cases contemplated by the regulations, by a tester who holds the permit and the certificate contemplated in the first paragraph.