When the State Livestock-Poultry Health Commission shall be conducting tuberculosis or paratuberculosis eradication work in any county, in cooperation with the Animal Disease Eradication Division, United States Department of Agriculture, under the area plan or under its general authority, to eradicate, control and prevent contagious and infectious diseases of animals, all persons owning or having animals in their charge shall upon notice assemble or have assembled such animals at a time and place designated by an inspector or veterinarian of the State Livestock-Poultry Health Commission or of the Animal Disease Eradication Division, United States Department of Agriculture, in order that tuberculin or paratuberculin tests may be applied. Assistance shall be given in confining these animals in order that the test may be administered properly, and the same animals shall be returned for observation at a time and place designated by such inspector or veterinarian. Any herd or animals or all animals in the modified accredited area or other areas shall be tuberculin or paratuberculin tested or retested at such times as deemed advisable by the State Livestock-Poultry Health Commission.