PAYE63035 | Employment maintenance: filing online: employers: automatic transfer of records
From HM Revenue & Customs · PAYE Manual
A non RTI employer transmits P45 Part 3 data online using Electronic Data Interchange (EDI) or Online Return and Forms - PAYE (ORFP) to the new Processing Office giving details of the start of a new employment.
After checking the data, the computer process looks to see if it can match the previous employment within employment history.
If the previous employment is matched to one or more employments on the individual’s record
All matched live employments are updated to show potentially ceased
If the previous employment is not matched to an employment on the individuals record
An employment will be created and potentially ceased
And then
The new employment will be added to the individual’s employment record overnight
A work item will be created to review the record if