It is good that Customs and Border Protection publishes information to help the public engage in informed compliance. Really, that is a good thing. The trade and those who serve the trade appreciate it. But, sometimes they use publications to promote a specific legal agenda. Usually, that is made clear in the documents. Other times, CBP does things that just look sneaky. CBP just put out this handy document and an attachment to help people decide when it is appropriate to claim NAFTA preferential treatment. To me, this looks sneaky. The problem is that it completely muddles the question of who is responsible for the accuracy of NAFTA claims. Is it the importer or the producer/exporter? Admittedly, the importer must use reasonable care in making the claim. So, an importer should reject a facially false certificate. If the importer has reason to suspect the certificate of origin is incorrect for some reason, it should take reasonable steps to verify it. But, the producer/exporter