Yes it is true. Tony Blair passed this little number on the sly.
That actually appears to be outrageous, what's the reasoning/justification (if any) behind it?
I believe that the marine borders were moved 60 miles North from Berwick-Upon-Tweed to Carnoustie. Something to do with the waters then being outwith Scottish jurisdiction and therefore fishing, oil and mineral rights being outwith too. The legislation passed or rather seemed to bypass the democratic process.