This is your service as a member of the Scheme and in respect of which you have paid contributions. If you have ever worked part-time, the starting point for assessment of your pension is to use the pensionable service you would be able to count if whole-time. Various other periods may count as pensionable service, e.g. that credited on receipt of a transfer value from another pension arrangement, unpaid leave (including additional maternity, paternity and adoption leave) for which contributions have been paid, or service which previously counted towards a pension which has since been cancelled. "Purchased 60ths" paid for by additional contributions would also be included in the assessment of pension.