Thank you: I agree with your proposal. N Guy starts from a false premise, since the Standard tow for is offices is not 3 years (insoferas there is a standard tow it is 2+2yrs - but the exceptions are nearly as numerous as the standard cases). There were, as No Duff points out (and as the DTSAB Mintes confin) good reasons based on the conditions: the DT's themselves for reducing the tour to 3 years. And
the other
although to Guy agnes ступе side of the case with varying degrees of cogency, I do not think his arguments are sufficient to invalidate the 1973 conclusior.
$231/5