It shall be the duty of all veterinarians to transmit to the laboratory conducting the brucellosis test on blood samples of cattle or other animals, three (3) copies of the official brucellosis test charts, showing the eartag, other official identification or tattoo number of each individual animal from which the samples were taken opposite the appropriate tube number, and designate on the chart the purpose of the test,–whether for annual, addition to tested or certified herd, local or interstate shipment. Such charts shall be transmitted at the same time the samples are transmitted to the laboratory.