NIM41215 | Credits: post 1975 credited earnings: special credits
From HM Revenue & Customs · National Insurance Manual
Regulation 8 of the Social Security (Credits) Regulations 1975 (SI 1975 No. 556)
Special Class 1 credits, which can be used only for contribution based Jobseeker’s Allowance and short-term Incapacity Benefit, or Contribution-based Employment and Support Allowance, may be awarded to a person in one of the last two complete tax years before the benefit year (January to December) in which they claim the benefit if during any part of that tax year:
they were in full-time education, on a full time government sponsored training course, or any other full time vocational or occupational course or an apprentice during any part of that year, and
the other year is a qualifying year for benefit, and
they were 18 years or over in that year, and
they were under 21 years of age at the beginning of the course, and
they did not have a married woman’s reduced rate election up to the end of the year, and
the course or apprenticeship has ended.