The European Union has imposed export controls on COVID-19 vaccines developed within its borders.
The EU and vaccine developer AstraZeneca have been locked in tense talks over delays in vaccine supply.
The union since decided jabs must be authorized before leaving the EU, saying it helps keep track of domestic and international deliveries.
Foreign Minister Marise Payne had been applying diplomatic pressure to ensure the certainty of Australia's vaccine supply as fears amplify over the possibility the new measures could delay or limit access to millions of jabs.
Australia is importing 3.8 million doses of the AstraZeneca jab and 10 million doses of the Pfizer vaccine from Europe.
