Next year's Victorian election will be nothing like the last.

In 2014 the Daniel Andrews-led opposition refused to submit its policies to the Treasury for independent costing as demanded by the Denis Napthine-led government.

The Daniel Andrews-led opposition refused to submit policies to Treasury for costing in 2014.

It said it didn't trust the process, involving a department that was sworn to serve the government.

It was the same four years earlier, when the roles were reversed.