Compensation at 4.5%
If your National Insurance contributions are less than £45,000 per year you
are a small employer and are entitled to Small Employers Relief (SER) at 4.5%.
Calculate this by adding box e and box
h then divide by 100 and multiply by 4.5.
((Earnings Related rate sub total + Standard Rate Sub Total) / 100)x 4.5)
Enter the amount in this box.