VL - While true, you'd be amazed at how many things are decided before the contracts start...
Also, while 1145 might be a UK CAA reg, please be aware that the OICs (who pay for it all) have toi be seen doing right by their pax. Therefore, on a global level, some IOCs are talking about implementing 1145 in the short term until the EBS becomes available as has already been alluded to.