Scheduled upgrade will delay receipt of online acknowledgement
27 March 2015
HMRC have updated their service Online Service availability page for PAYE to warn employers and agents of a delay in the receipt of online acknowledgement to Real Time Information (RTI) submissions made using both Basic PAYE Tools and commercial software between 13:00 and 16:00 on Friday 27 March.
Acknowledgements will be sent once the service is restored, do not attempt to resubmit your submission.
Online Service Availability can be checked for all tax services.