Container movement controls: permits and customs supervision required for entry, examination, sealing, and release from CFS. Procedures for the GDKL Container Freight Station require serially numbered triplicate permits with space availability certificates for container movement from notified customs areas; custodian bond and bank guarantee adequacy; customs verification of container and seal integrity on arrival with recording of transit times and action on tampering; maintenance of detailed registers, weekly statements and monthly physical reconciliations; supervised LCL destuffing with separate accounting; segregation of seized, valuable or hazardous cargo; and customs control over out of charge releases, gate passes and removal of empty containers.