Graduates of foreign veterinary medical schools that are not accredited by the AVMA Council on Education (Refer to AVMA web site, http://www.avma.org for information about schools in this category) must meet one of the following requirements: (a) Proof of certification of their final transcript by the Educational Commission for Foreign Veterinary Graduates (ECFVG), (b) Possession of a permanent, full, and unrestricted license to practice veterinary medicine in a State, District of Columbia, the Commonwealth of Puerto Rico, or a territory of the United States that includes successful completion of the North American Veterinary Licensing Examination (NAVLE) or its predecessors, the National Board Examination (NBE) and the Clinical Competency Test (CCT), (c) Proof that the education obtained in a foreign veterinary medical program is equivalent to that gained in a veterinary medical program that is accredited by the American Veterinary Medical Association Council on Education. SUBSTITUTION OF EDUCATION FOR EXPERIENCE AT THE GS-13 GRADE LEVEL: Successful completion of a PhD degree in an area of specialization including, but not limited to: animal science, avian medicine, food safety, infectious diseases, veterinary clinical sciences, pathobiology, biomedical sciences, veterinary anatomy, veterinary preventive medicine, comparative biological sciences, epidemiology, veterinary parasitology, molecular veterinary biosciences, public health, microbiology, pathology, immunology, laboratory animal medicine, toxicology, wildlife, zoological animal medicine, or other sciences related to the work of a veterinary medical officer position.