Calculation of income tax liability

Additional tax

Legislation/Regulatory – ITA2007 s. 30

Generally

Legislation/Regulatory – ITA2007 s. 23

Reliefs and allowances deductible

Legislation/Regulatory – ITA2007 s. 24-25

Tax reductions

Legislation/Regulatory – ITA2007 s. 26-29

Tax year

Legislation/Regulatory – ITA2007 s. 31

Highest part of, income to be treated as

Generally

Legislation/Regulatory – ITA2007 s. 1012 ; ITTOIA2005 s. 619A

Settlor-interested settlements

Legislation/Regulatory – ITTOIA2005 s. 685A(5A), (5B)

Savings and dividend income treated as highest part

Legislation/Regulatory – ITA2007 s. 16