Hi Steve Hill,
HMRC current timescales for submissions can be checked on gov.uk -
Check when you can expect a reply from HMRC
If you have not submitted anything else the paper CF83 may be the one shown as “on-line”.
We cannot access a personal tax account as that is your own information record from various sources.
We can see post received under your individual national insurance account if you call the centre for non-residents to confirm the CF83 is received into our postal system,
answer queries regarding national insurance status and entitlements, pension status and health care provisions for people under United Kingdom pension age who live or work abroad.
Number - 0300 200 3500
Overseas - +44 19 1203 7010
Fax - 0845 915 7800
Overseas Fax - +44 19 1225 7800
Address
PT Operations North East England
HM Revenue and Customs,
BX9 1AN
Open - Monday to Friday: 8am to 6pm
Closed on Saturdays, Sundays and Bank Holidays.
Web Address - www.hmrc.gov.uk/ni
Thank you.