Under the proposed law, multinational firms would face fines of up to $100,000 for failing to comply with a request for information, compared to current sanctions of just $4,000 for not providing information or up to $25,000 for knowingly not providing it.
The legislative change would also let the tax department make an assessment based on the information it has to hand and prevent the taxpayer from admitting the requested information as evidence in a dispute or court proceeding.
MPs largely focused on Google, Facebook and Apple when criticising the complex tax structures, although none of those companies' local units say they're being audited in their respective financial statements lodged with the Companies Office.
Labour's Michael Wood, the finance and expenditure committee chair, ended up reading the minister's speech, saying the bill aims "to address a source of unfairness in the tax system" which was a key tenet of the government's plans to overhaul the broader tax system.
"A broad, low-based system relies on everyone paying their fair share, and we cannot allow a situation to carry on in which a small number of multinational companies shirk that obligation," Wood said.
"This won't necessarily be the only set of measures that this government undertakes in pursuit of that objective, but it is an important set of measures."