Unlike broader FDA or EMA guidelines that tell you what to do, TR-64 tells you how to do it. It provides a systematic methodology for identifying, assessing, controlling, and reviewing risks associated with microbial contamination in sterile drug manufacturing.
Ensuring manuals and diagrams are present.
While locating a legitimate copy requires monetary investment (via PDA.org), the cost of not using TR-64 is infinitely higher: a 483 observation, a warning letter, or, worst of all, a recall of a life-saving biologic.
Maintaining the Cold Chain: A Deep Dive into PDA Technical Report 64