Hi,
In order for us to look into your account to see what the situation is with the payment you have made, please ring our customer helpline.
Please find the contact details below:
Number
0300 200 3500
Text Relay
18001 0300 200 3500 (Text Relay)
Overseas
+44 191 203 7010
Open
Monday to Friday: 8am to 6pm
Closed on Saturdays, Sundays and Bank Holidays.
Web Address
www.hmrc.gov.uk/ni
Thank you