Basic food safety requirements for exported products that are consumed as food are detailed by MPI and summarised on the Official requirements for Food Safety web page. Information specifically on MRL levels permitted in New Zealand and in other countries can also be accessed on MPI's site.
However many customers both New Zealand retailers and Overseas importers require a more comprehensive level of Food Safety standards and requirements . These are documented as private standards.
A new Food Bill is currently being considered by Parliament. This Food Bill will influence how food is grown and sold for consumption in New Zealand and for export. Latest information on the Food Bill is available here