Human remains: when transported on planes, must be contained in a soldered inner coffin of lead or zinc, which in its turn must be packed in a wooden coffin.
Cremated remains: must be shipped in funeral urns which are efficiently protected against breakage by a cushioning packaging. Cremated remains will be accepted on any aircraft without any advanced arrangements.

Documents required by Polish Public Health Authorities:
- Death Certificate
- sanitary-epidemiologic confirmation, that the deceased neither died of infectious disease nor in an area of infectious diseases.