(a) The Milk Regulation Board shall adopt regulations, in accordance with the provisions of chapter 54, for the examination and licensing of persons who may engage in the weighing, sampling or testing of milk or cream which is to be bought or sold on the basis of the butterfat content, milk components or the bacterial count, or for the purpose of determining the butterfat content, the presence or absence of antibiotics or other inhibitors, milk components or bacterial count for publication or for advertising purposes, or for use as the basis of reports to any person other than their employers or payment to a producer.

(b) The commissioner shall administer the regulations. Applications for examinations shall be made in writing to the commissioner. Any fees for such applications shall be established by the commissioner pursuant to § 22-128a. The commissioner shall designate the time and place of holding the examinations, and may issue, to any person who has complied with the regulations for the examination and has passed the same to the satisfaction of the commissioner, a license to weigh or gage, sample or test any milk or cream.

(c) The license shall be valid for two years and may be renewed for a period of two years upon written application to the commissioner accompanied by a fee established by the commissioner pursuant to § 22-128a.

(d) The license may be revoked by the commissioner, after hearing and upon notice to the licensee, for dishonesty, incompetency, inaccuracy or violation of any provision of this section or sections 22-138 to 22-141, inclusive.

(e) No person shall take any sample or test any milk or cream for the purpose of determining its butterfat content, its milk components or its bacterial count except as provided in this section, and nothing in this section shall be construed to prevent private testing and sampling for plant purposes. Any person not holding a license may take any unbroken package of milk or cream as a sample.