BIM81000 - Computation of liability: contents

NOTE: The basis period rules are changing in 2023/24, which may mean that the guidance in these pages may not apply from the tax year 2023/24 (depending on your circumstances. Please see BIM81230 to BIM81360 for guidance on the transitional year in 2023/24 and BIM81201 for 2024/25 onward.

This chapter explains how profits chargeable to Income Tax are computed. Profits are calculated with reference to a period of account which may not correspond with a tax year. There are rules to determine which period or periods will form the basis for the charge to tax for a particular year. The legislation on basis periods is in S196-S220 Income (Trading and Other Income) Act 2005.

  1. BIM81001
    Introduction to basis periods
  2. BIM81010
    Basis periods 바카라 사이트“ general rules
  3. BIM81015
    Commencement years
  4. BIM81020
    First accounting date just before end of tax year
  5. BIM81025
    Year of cessation
  6. BIM81030
    Slight variations in accounting date
  7. BIM81035
    Change of accounting date 바카라 사이트“ introduction
  8. BIM81040
    Change of accounting date 바카라 사이트“ years 1 바카라 사이트“ 3
  9. BIM81045
    Change of accounting date 바카라 사이트“ year 4 onwards
  10. BIM81050
    Change of accounting date 바카라 사이트“ year 4 onwards - commercial reasons for change
  11. BIM81055
    Change of accounting date 바카라 사이트“ year 4 onwards 바카라 사이트“ year after ineffective change
  12. BIM81060
    Change of accounting date 바카라 사이트“ year 4 onwards 바카라 사이트“ examples
  13. BIM81065
    Apportioning profits to basis periods
  14. BIM81070
    Apportioning losses to basis periods
  15. BIM81075
    Overlap relief 바카라 사이트“ introduction
  16. BIM81080
    Overlap relief 바카라 사이트“ computation
  17. BIM81085
    Overlap relief 바카라 사이트“ how given
  18. BIM81090
    Overlap relief 바카라 사이트“ given on change of accounting date
  19. BIM81095
    Overlap relief 바카라 사이트“ given on cessation
  20. BIM81100
    Introduction to `previous year바카라 사이트™ basis period rules
  21. BIM81105
    Previous year basis 바카라 사이트“ 1996-1997 transitional rules
  22. BIM81110
    Previous year basis - transitional overlap relief
  23. BIM81200
    Tax Year basis and transitional rules: contents