TCTM04112 - Income: Employment income rules: So much of a payment of Statutory Sick Pay received by the claimant as is chargeable to income tax under Chapter 2 of Part 10 of ITEPA 2003
The Tax Credits (Definition and Calculation of Income) Regulations 2002, Reg. 4(1)(g)
This is the income tax provision. (See Employment Income Manual para EIM76350).