7. These are the periods that count as periods of membership (and which may accordingly be aggregated under regulation 13 (re-employed and rejoining deferred members), or as the case may be, 14 (concurrent employments) of the Administration Regulations)–
(a)any period for which a member has paid (or is treated as having paid) contributions under regulation 4 (contributions payable by active members);
(b)any period added under regulations 12 (power of employing authority to increase total membership of active members) or 20 (early leavers: ill-health); and
(c)any period added following a transfer in of pension rights under regulations 78 (inward transfers of pension rights) to 82 (changes of fund and variable time employees) of the Administration Regulations(1).
See also regulation 79(1) of the Administration Regulations.