424. Requirements for certification of schemes: in general.

An occupational pension scheme1 could be contracted-out2 in relation to an earner's3 employment4 only if it satisfied certain conditions5. Where there were two or more occupational pension schemes in force in relation to an earner's employment, none of which could by itself be a contracted-out scheme, the Commissioners for Revenue and Customs might, if they thought fit, treat them for contracting-out purposes as a single scheme