(1) Where the Veterinary Officer considers it necessary for the purpose of ascertaining whether the animal which is suspected to have been infected with any scheduled disease or susceptible to such infection is actually infected, or for the purpose of ascertaining the nature of the scheduled disease with which an animal is infected, he may draw such samples, as may be required, from the animal for the purpose of carrying out such investigations as he may deem necessary under the circumstances.
     (2) The Veterinary Officer or any other Competent Officer shall draw samples from any animal for the purposes of ascertaining whether the animal has been vaccinated against any disease, or whether the vaccination of the animal has been effective in conferring it immunity and have the samples examined, in such manner as he may deem necessary.