Thank you for your question.
This is a fairly complex issue. AECL does indeed have a contractual relationship with MDS Nordion. You asked if the situation has resulted in any disputes. In fact, MDS Nordion has already alleged that AECL was under the obligation to complete its MAPLE reactors. AECL sees things differently. I don't want to get into this further, but this sensitive matter is scheduled to go before the courts.
All I can say at this time is the AECL and the Government of Canada remain committed to continuing to supply medical isotopes to meet the needs of the health system. They are looking at what needs to be done to extend the licence to operate the existing reactor beyond the year 2011.