tag:www.gov.uk,2005:/search/guidance-and-regulation Guidance and regulation 2025-05-29T10:41:39+01:00 HM Government tag:www.gov.uk,2005:/guidance/apply-for-a-refund-of-class-3-national-insurance-contributions 2025-05-29T10:41:39+01:00 Apply for a refund of Class 3 National Insurance contributions Find out how to apply to HMRC for a refund of Class 3 National Insurance contributions. tag:www.gov.uk,2005:/guidance/apply-for-a-refund-of-class-2-national-insurance-contributions 2025-05-29T10:40:39+01:00 Apply for a refund of Class 2 National Insurance contributions Use the online service or postal form CA8480 to apply for a refund of Class 2 National Insurance contributions. tag:www.gov.uk,2005:/guidance/apply-for-refund-of-class-1-national-insurance-contributions 2024-02-05T00:00:00+00:00 Apply for a refund of Class 1 National Insurance contributions If you've been sent a letter from HMRC, apply for a refund of Class 1 National Insurance contributions using form CA4361. tag:www.gov.uk,2005:/guidance/widening-access-training-scheme-refunds-for-nhs-trust-workers 2020-02-25T10:04:28+00:00 Income Tax and National Insurance contributions for NHS WATS Find guidance about Income Tax and National Insurance contributions for the NHS widening access training scheme (WATS) if you are an NHS employee or employer.