Means that you are trained enough, according to the international standards, to handle the pathological specimens and careful enough to avoid any contamination or pricking or transfer of any infection. You may again need to ask the elective coordinator to get the address/web address where you can train yourself for that requirement and then get certificate after clearing a test.
and it may be possible that if the elective university requires, then you may have to contact someone in the Pathology Department of your own college or medical school to get such a certificate.
Check the following link
VMD Health Care Training | MyMedCerts.com