Changing NI Status for an Employee Turned Company Director 
If any of your employees become a company director, their National Insurance status changes, and they need a new National Insurance (infotype 0069) record, valid from the exact date that their status changed. This ensures that their new contributions are calculated from the correct date.
Procedure
The Maintain HR Master Data screen appears
Use the matchcode function to find a number you do not know.
The Copy National Ins. GB screen appears.
Result
The employee’s National Insurance contributions are deducted on an annual or pro-rated basis from now on.