Right now, we live in a fast-moving environment, where every day the regulations can be changed by the government. Therefore, it is necessary to be up to date regarding the current regulations and the pandemic status.
For further information the research on Info-Websites is necessary.
Good websites to get actual information about future plans of the government and other regulations are
for example:

https://www.sozialministerium.at
https://www.austria.info
https://www.wko.at
https://www.austriatourism.com
https://www.bmlrt.gv.at