On June 17th, 2013 the United States Coast Guard and Royal Canadian Mounted Police signed an agreement to allow specially trained officers to work on both USCG and RCMP vessels. This shiprider agreement is intended to provide law enforcement additional means to interdict and apprehend suspected criminals.
For recreational boaters, this agreement means that RCMP and USCG vessels will have increased latitude in questioning and boarding vessels. For instance, USCG patrol boats can now operate and enforce laws in Canadian waters when they have an RCMP officer aboard, and vice versa. For most boaters, this change will have little consequence, but don’t be surprised when you see a RCMP boat in U.S. waters or a USCG boat in Canadian waters.