PSA3010 | National Insurance Contributions and PAYE Settlement Agreements: General
From HM Revenue & Customs · PAYE Settlement Agreements
An employer who enters into a PSA is liable for the payment of Class 1 B NICs in addition to their liability to tax under the PSA. The legislation relating to Class 1BNICs is shown at PSA3020
Class 1B NICs are payable on
the total tax payable under a PSA
Class 1B NICs replace any Class 1 or Class 1A NICs liability attached to the benefits and expenses included in a PSA for tax purposes
Only items that attract a tax charge can be included in a PSA. You cannot use a PSA
where there is NICs only liability, or
to cover elements which have NICs only liability
More detailed information about Class 1B NICs can be found in the National Insurance Manual at NIM18000 onwards