The ACT has recorded 24 locally acquired COVID-19 cases, a day after the territory eclipsed the 80 per cent fully vaccinated milestone.
There are 18 people in hospital and 10 in intensive care.
The ACT will scrap quarantine requirements for residents returning from NSW from November 1 in light of the vaccination milestone.
Fully vaccinated international arrivals will also be exempt from quarantine requirements from the same date to align with NSW.
The reopening of non-essential retail in the ACT has also been brought forward to October 22, after the territory eclipsed the 80 per cent double dose threshold on Tuesday.
Density limits of one person per four square metres will be in place.
Masks will not be mandatory outdoors from October 29.
But some Canberrans will lose hundreds of dollars in income support payments over the next fortnight after the ACT passed the 80 per cent milestone.
The federal government will begin to taper the disaster payments after it removed the territory from its COVID-19 hotspot list.
The maximum payment of $750 a week will reduce to $450 and then to $320 before ending in two weeks.
The Commonwealth will continue its 50 per cent cost-sharing arrangement for COVID-19 related impacts on hospital and state public health authorities with all states and territories.
Australian Associated Press