Is there any way to exclude an employee from the FPS submission?

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We have an unusual situation where the business wish to appoint someone who currently lives outside of the UK. They will be moving to UK in a couple of months, but until then would be paid through payroll but not have any tax or NI deducted. HMRC have advised us on how to handle this in terms of tax code and NI category, but they've also said that, for now, the employee must not be reported on the monthly FPS submission.

I'm aware that the use of a payroll relationship group for FPS is only available in test mode and cannot be used in Live. Is anyone aware of any other way to remove or exclude an employee from the FPS?