1 9 8 6 ▁by ▁Her ▁Majesty ▁the ▁Queen , ▁comm emor ates ▁Sp ence . ▁The ▁PR SA ▁later ▁launched ▁its ▁repr int ▁of ▁her ▁book let ▁there . ▁She ▁is ▁remembered ▁by ▁her ▁aut obi ography , ▁and ▁was ▁dep icted ▁on ▁the ▁Australian ▁$ 5 ▁bank note ▁issued ▁for ▁the ▁Cent en ary ▁of ▁Federation , ▁in ▁ 2 0 0 1 . ▁The ▁PR SA ' s ▁SA ▁Branch ▁( the ▁Elect oral ▁Reform ▁Society ▁of ▁South ▁Australia ) ▁influenced ▁the ▁replacement ▁of ▁the ▁first ▁party ▁list ▁system ▁used , ▁briefly , ▁for ▁Australian ▁parliament ary ▁elections , ▁introduced ▁by ▁the ▁D unst an ▁Labor ▁Government ▁in ▁ 1 9 7 3 , ▁by ▁direct ▁election ▁using ▁the ▁present ▁qu ota - pre fer ential ▁form ▁of ▁proportional ▁representation ▁that ▁the ▁SA ▁Elect oral ▁Act ▁ 1 9 8 5 ▁pres cri bes ▁for ▁elections ▁for ▁SA ' s ▁Legisl ative ▁Council . ▁The ▁SA ▁Constitution ▁Act ▁ 1 9 3 4 ▁requires ▁a ▁refer endum ▁before ▁either ▁House ▁can ▁be ▁abol ished , ▁but ▁does ▁not ▁specify ▁or ▁ent rench ▁the ▁elect oral ▁system . ▁ ▁Adv oc acy ▁The ▁Society ▁advoc ates ▁the ▁use ▁of ▁H are - Cl ark ▁proportional ▁voting , ▁a ▁form ▁of ▁the ▁Single ▁Transfer able ▁V ote ▁method ▁( ST V ) ▁that ▁is ▁currently ▁in ▁use ▁for ▁elections ▁in ▁Tas mania ▁and ▁the ▁Australian ▁Capital ▁Territ ory . ▁ ▁It ▁has ▁published ▁a ▁quarter ly ▁news letter ▁entitled ▁Qu ota ▁Notes