Every aircraft shall be fitted with a "Certified GPS", which will be able to hook up the the Gov't coffers and extract money from the a/c's owner automatically as the a/c is flying over "Her Majesty's" airspace..... sorry +VAT.
Here in West OZ, farmers who build dams (mainly to either water livestock or grow crops) are now required to pay a Tax on the water they use from the dam......... yeah you got it....... they build it, it rains (hopefully), it fills up dam, then you turn the tap on......... and then you hear the tinkle tinkle of the cash register at Govt House + GST
The madness continues