Template:Isdadefs Business Day summ
And, in a contractual framework as eager as ISDA’s is to span the globe, be assured there will be ambiguity, should you want to judge where, or by reference to what local entrepreneurs are expecting to turn up for work. A principal financial center for whom? A payer? Payee? Sender? Receiver? And for the purposes of doing what? Paying? Simply being in the office to receive your correspondence?
And, aye, that is before we even get to that rebellious sui generis the Euro, which doesn’t have a principal financial center (or, at any rate, has dozens of the buggers, each with its own cultural peculiarities and idiosyncratic obsessions of rest, relaxation and days off) and which has thus developed its own magical settlement system, ignorant of its bankers’ diverse recreational urges, to keep the financial gears of the great federal project oiled and turning.
And here the committee applies the range of its arsenal: inclusos, relevantses, applicables, (s)es, in accordance with, in respect of, and a few on or by reference tos in the closing, dying stages, when the indefatigable lungs of even those splendid draftspeoples are all but spent, their owners lying blue on the carpet.
So you might, if reaching for something easy, refer instead to the comparatively blunt concept of a Banking Day, where the only referent is the city to which you refer, it being understood that all cities have banks, and all bankers like to have weekends and holidays.