Regulations for the Deposit of Biological Material for Patent Application Article 4
The deposited biological materials shall be preserved in freeze-dried or frozen form, and the container requirements for depositing biological materials are set forth in Appendix I. However, the biological materials that cannot be preserved in freeze-dried or frozen form may be preserved by other appropriate preservation methods determined by the Depository.The biological materials referred to in the preceding paragraph shall be transported under an appropriate temperature and in an appropriate way to maintain their viability and properties, and to prevent them from being released to the environment during transport.