The 2019 federal election has been announced! 18 May 2019 is the date. You can not vote at the Australian Consulate in Chiang Mai.
Overseas polling will be available at the Australian Embassy in Bangkok. See this web page link
If you’re an Australian living or travelling overseas, you can still vote. If you want to vote, make sure you’re enrolled by 8pm, Thursday 18 April 2019 (Australian time in the electorate you’re enrolled in).
To check if you’re already enrolled to vote, visit www.aec.gov.au
Please check the Australian Electoral Commission web site for information on living or going overseas