Christian Aid: British oil and gas companies need to come clean and reveal taxes http://bit.ly/1lKmhKk
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@MForstater@hselftax but that's only the increase in the first year of improved collection. It increases year on year (albeit slower)
@jwbstead @hselftax ah! 20+10 +5 +5 =40% which comes from ref: http://www.taxcompact.net/documents/ITC_iTax-case-study.pdf … (..just reconstructing the back of their envelope ;-)