I think that's becoming less and less of an issue with global harmonization and with many of these countries now involved at the OECD level. You're getting a higher standard globally in terms of what's acceptable, how to do risk assessments, and how to regulate these products. With the stringent import requirements and maximum residue levels set by countries like Canada, it's more and more difficult for countries to fly under the radar.
On February 3rd, 2015. See this statement in context.