New Starters P45 Entry

Summary:

What is the correct way to enter a New Starters P45?

Content (required):

We have recently started using Fusion and have been instructed to enter New Starter P45s before the first FPS is generated and sent to HMRC. What is occurring is when we enter a new Hire a New starter Declaration with the Letter C is automatically generated say on the 1st of the month. We then receive a P45 and enter this a few days later with a cumulative Tax Code and Year To-Date figures. The first payroll processed correctly but on the second month HMRC advised for us to change the Tax Code to BR non-cumulative.