In respect of a person, his aggregate period of reckonable service as a participating member is his actual period of reckonable service as a participating member together with any increases in reckonable service attributable to sums received by way of transfer value or to the purchase of added years.

In respect of a person, his aggregate period of reckonable service as a participating office holder is his actual period of reckonable service as a participating office holder together with any increase in reckonable service attributable to sums received by way of transfer value.

In respect of a person, his aggregate period of reckonable service as a participant is his actual period of reckonable service as a participant together with any increases in reckonable service attributable to sums received by way of transfer value or to the purchase of added years.