When processing your P11D for the year, you need to set the class 1A NIC rate. To do this, follow the steps below in back office.
Click CorePay, then click Update.
Click Utilities, then click System Configuration.
Click General.
Under the P11D/P11Db section, update the NIC rate in the Class 1A NICs Rate field.
To save changes, click the save
icon.