Auto-enrolment will apply to the largest organisations first, based on PAYE size, before being phased in for smaller organisations. The start date for this is referred to as the Staging Date; further details of the current staging dates can be found here.
Eligible Johholders, Non-eligible Jobholders and Entitled Workers
A definition of these can be found here.
Qualifying Pension Scheme
For employers not required under legislation to use the LGPS for new staff, for example admitted bodies, and are considering using alternative provisions, a definition can be found here.