The effective abolition of the separate state second pension, and its incorporation into the new enhanced single-tier version, will end the complicated system of so-called "contracting out".

BBC: 'Simpler' flat-rate state pension unveiled

The Queen's speech is likely to propose an end to the multiple-tier appeal system for asylum seekers, replacing it with a single level of adjudication.

BBC: Call for radical asylum changes

The union also wanted the introduction of a single pay arrangement for cabin crew staff, rather than the existing two tier system, with staff who joined after 1997 being paid less than those employed before that date.

BBC: The deal came after 120 hours of negotiations

Despite an earlier leak claiming that there would be a two-tier system - similar to the old O-levels and CSEs - the new qualification will be a single exam for a wide range of abilities.

BBC: GCSEs replaced by 'English Bac' in key subjects