Yes. The government could still introduce ad hoc measures to respond to an emerging crisis. It's happened in the past. For example, in 2001 there was a December budget to respond to the crisis of September 11. It's possible to have budget documents or updates on steroids, so to speak, that include budgetary measures. It's happened quite frequently in the history of the country.
On October 2nd, 2018. See this statement in context.