https://help.gosimpletax.com/hc/en-gb/articles/360000590890-Trading-Income-Allowance

https://help.gosimpletax.com/hc/en-gb/articles/360000590890-Trading-Income-Allowance

Please watch the following video or follow the instructions as shown below:     Click on the Self Employed Page     Click on + INCOME     Select the income group Trading Income Allowance   Enter the amount as a positive figure Note: Trading Income Allowance should not exceed £1,000