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.
Evidence of meeting #48 for Health in the 41st Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was pmra.
A recording is available from Parliament.