Regulation E3
1. A period of pensionable employment.
2. A period counting as reckonable service by virtue of regulation D3 (which applies where additional contributions have been paid for a past period) or regulation D4 (which applies where additional contributions have been paid for a current period).
3. A period counting as admitted service or specified country service.
4. A period of service or employment in respect of transfer value which has been accepted by the Secretary of State.
5. A period of comparable British service.
6. A period of employment which is pensionable for the purposes of the Universities Superannuation Scheme.