CCH Personal Tax
Earnings liable to Class 1 NIC
This document outlines the process of including Class 1 National Insurance Contributions (NIC) details in the calculation of Class 4 NIC for tax returns. It guides users on how to input earnings liable to Class 1 NIC manually, emphasizing that these figures will not appear on the tax return or SA302 calculation and are solely for Class 4 NIC calculations. It notes that HMRC plans to automate this aspect in the future through the Making Tax Digital initiative. Additionally, it advises gathering relevant earnings data from P60 forms or HMRC for clients with multiple employments.