A strategy for controlling pests, and any invertebrates that have got out of a primary container, must be put in place and kept up in the facility. Where GMOs there could be spread by animals, invertebrates included, strategies must also be in place to stop animals, invertebrates included, entering or leaving through the anteroom.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.