From the DWP Decision Makers' Guide
First contribution condition
General
21067 To satisfy the first contribution condition1
1. the claimant must have paid Class 1 contributions in respect of one (“the base year”) of the last two complete tax years before the beginning of the relevant benefit year and
2. Class 1 contributions must have been paid before the week that the claimant claims JSA and
3. the claimant must have had relevant earnings for the base year on which the Class 1 contributions have been paid or treated as paid of at least 26 times the LEL for that tax year (see DMG Appendix 1 to this Chapter).
1 JS Act 95, s 2(1)(a), 2(2) & 35(1)
Second contribution condition
General
21074 To satisfy the second contribution condition 1
1. the claimant must have
1.1 paid Class 1 contributions or
1.2 been credited with earnings
for the last two complete tax years before the beginning of the relevant benefit year and
2. the earnings factor from the earnings
2.1 on which primary Class 1 contributions have been paid or treated as
being paid or
2.2 credited
must be at least 50 times the LEL for each of those last two complete tax years
(see DMG Appendix 1 to this Chapter).
1 JS Act 95, s 2(1)(b), 2(3) & 35(1)