For guidelines on how to package and ship evidence, see Packaging and Shipping Evidence . Herewith is limited to small items of evidence that are not endangered by transmitting in an envelope. Write on the envelope before placing evidence inside to avoid damaging or altering the evidence.
Separate cover is used to ship numerous or bulky items of evidence or both.
Include a copy of the communication requesting the examinations. State what types of examinations are requested. State where the evidence should be returned and where the Laboratory report should be sent. Attach a statement if the evidence was examined by another expert in the same field, if there is local controversy, or if other law enforcement agencies have an interest in the case. State the need and reason or reasons for an expeditious examination.