No person shall move cattle from any premise for other than immediate slaughter unless they have been vaccinated prior to reaching the age of 8 months or unless such animal is negative to an authorized blood agglutination test for brucellosis made within a period of 30 days prior to the date of removal. Such restriction shall not apply to animals in accredited brucellosis-free herds.

47 Del. Laws, c. 355, § ?1; 48 Del. Laws, c. 30, § ?1; 3 Del. C. 1953, § ?7324;