The framework is essentially the same as the standard industry exemptions - the main differences are the numbers and the level of continuous compliance
The last word in the above quote is the crucial word. It has got to the stage where an operator has to show compliance to the inth degree.
For instance, there are 13 checks for determining the length of an "off duty period" and 8 checks for a "flight duty period." That is only for single shift in daytime at home base.
Once again we get back to the particular officer "accepting" the method of compliance.