NIM20251 - Class 2 National Insurance contributions liability: Payment methods: Introduction
Regulations 89 and 90 of the Social Security (Contributions) Regulations 2001 (SI 2001 No. 1004)
Where there was a liability for Class 2 National Insurance contributions (NICs) they could be paid by direct debit (DD) or in response to payment requests.
See NIM20300 for Class 2 NICs paid by DD. See NIM20550 about payment requests issued by HMRC.