This document outlines definitions, tests, specifications, and procedures for vaccines, immunoglobulins, diagnostic antigens, and their packaging and stability studies. It defines vaccines, immunoglobulins, and diagnostic antigens. It describes physico-chemical, biological activity, analytical, and other tests done during development and production. It lists specifications that must be provided for the final product and additional specifications for oral liquids and parenterals. It also covers batch manufacturing records, packaging material specifications, and stability studies on the finished product.