Voluntary codes of conduct have limits, but they provide 
practical and concise guidance in establishing common 
standards of good practice and sustainable attitudes and 
behaviours for managing the risks of transport and the 
25SUMMARY FOR POLICYMAKERS
19SUMMARY FOR POLICYMAKERS
BACKGROUND
Box SPM 1 Voluntary codes of conduct can complement legislation for managing the risks 
of transport and the introduction of invasive alien species through trade. 