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    1. Home
    2. Environment
    3. Energy infrastructure
    4. Oil, gas and coal
    HMRC internal manual

    Oil Taxation Manual

    From:
    HM Revenue & Customs
    Published
    13 March 2016
    Updated:
    16 January 2025 - See all updates
    1. Back to contents
    2. OT25999

    OT26105 - Capital allowances: ring fence expenditure supplement: contents

    1. OT26106
      Introduction
    2. OT26108
      Conditions for relief: outline
    3. OT26110
      Relevant percentage for calculating the Supplement
    4. OT26115
      Accounting Periods
    5. OT26120
      Limit on number of accounting periods for which supplement may be claimed
    6. OT26125
      Unrelieved Group Ring Fence Profits
    7. OT26130
      Pre-commencement Supplement
    8. OT26135
      Qualifying pre-commencement expenditure
    9. OT26140
      The mixed pool of qualifying pre-commencement expenditure and supplement
    10. OT26145
      Pre-commencement mixed pool : Reduction in respect of disposal proceeds under the Capital allowance Act
    11. OT26150
      Pre commencement mixed pool: Reduction in respect of unrelieved group ring fence profits
    12. OT26155
      Supplement in respect of a post-commencement period
    13. OT26160
      Ring fence losses and qualifying and non-qualifying E&A losses
    14. OT26165
      Ring fence loss 鈥� the special rule for straddling periods
    15. OT26170
      Ring fence losses - Post-commencement pools of losses
    16. OT26175
      The reference amount for a post-commencement period
    17. OT26180
      Post-commencement pool: Reduction in respect of utilised ring fence losses
    18. OT26185
      Post-commencement pool: Reductions in respect of unrelieved group ring fence profits
    19. OT26190
      Calculating the supplement due
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