P11Db
Rebecca Russell avatar
Written by Rebecca Russell
Updated over a week ago

What is a P11Db?

A P11D(b) is a form that will need to be submitted to the HMRC at the end of every tax year if you offer your employees any benefits in kind.

When do I need a P11Db?

A P11D(b) needs to be submitted to report how much the employer's class 1A National Insurance contributions (NICs) are due. This form needs to be submitted for all benefits not included in a PAYE Settlement Agreement, even if the benefits are payrolled.

P11D(b) Submissions on PayFt

A P11D(b) will need to be submitted for Class 1A national insurance to be reported to HMRC. At PayFit, we will submit your P11D(b) for you, should you decide that you'd like us to do this. All P11D(b) will be submitted from mid-June to the 5th of July 2024.

An email will be sent to the main admin email address as soon as the submission is made. The in-app status will also be updated to show the submission stamp.

Benefits of submitting through PayFit

By submitting both P11D's and P11D(b)'s through PayFit, this will ensure consistency across both pieces of documentation. PayFit also aims to save you time by taking over this lengthy task for you. All benefits information will need to be added to the PayFit app by the end of the tax year to ensure the HMRC deadline of July 6th is met.

Submitting a corrected P11D(b)

If you make a mistake on a P11D(b) you must correct this and send a paper copy to the following address:

P11D Support Team
BP2302
HM Revenue and Customs
Department 1250
Newcastle-upon-Tyne
NE98 1ZZ

What is a P11D(b) form?

The P11D(b) is a statutory form that doubles up as:

  • Return of Class 1A National Insurance contributions due

  • Return of expenses and benefits – Employer declaration

When do you need a P11D(b) form?

Use the form P11D(b) to declare the amounts of Class 1A National Insurance contributions you're due to pay for the year.

You must also complete and sign a form P11D(b) if you're liable to return any expenses payments or benefits on form P11D.

If you do not receive a form or need a replacement, contact HMRC.

The form P11D(b) is split into 4 sections:

section 1 is the return of Class 1A National Insurance contributions due for the year, read paragraph 14 of the Class 1A National Insurance contributions on benefits in kind (CWG5) guide for further information

section 2 is the declaration covering the return of Class 1A National Insurance contributions and expenses and benefits

section 3 gives important information on how to complete the form

section 4 is for any adjustments needed to the total benefits liable to Class 1A National Insurance contributions as shown on forms P11D. Read paragraph 18 of the Class 1A National Insurance contributions on benefits in kind (CWG5) guide for further information.

Inform PayFit you want them to send your P11D(b)s

If you want PayFit to send your P11D(b)s to HMRC:

  1. From the left, choose Company settings, then Benefit settings.

  2. Under the General settings section, click Set benefits preferences.

  3. Answer each of the questions, then click Save.

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