Late of register for Self Assessment

Hi, I’m first time to submit tax return in UK, I understand that it was passed the deadline to register for Self Assessment (by Oct). I submitted the registration by SA1 online form on 10-Dec 2022. If I still able to get the Unique Taxpayer Reference (UTR) number for tax return with-in 10 days? If not, am I able to get it by post? Any penalty for the late registration? Thank you for the answer of my questions.

Hi,

When your UTR is generated, we will issue this to you by post.

You will be given 3 months and 7 days from the date we process the form to complete the return before any late filing penalty would accrue. However the intitial payment date of 31/01/2023 would remain the same.

Thank you.