It's unclear whether crossbenchers will agree, or if their refusal will kill off the bill.
The changes make it easier for doctors to facilitate medical evacuations for sick asylum seekers on Manus Island and Nauru.
The legislation comes in response to an acute medical crisis in Australia's offshore detention centre, which has seen 12 people die in the last five years and numerous incidents of suicide and self-harm, including from children as young as 7.
The changes were part of the Urgent Medical Treatment Bill, the passage of which marked the first time in 90 years an Australian government had lost a substantive vote in the house.
"He needs to explain why he has taken a decision that is inconsistent with the advice from our intelligence, our law enforcement and our operations sovereign borders agencies".
Denying that he would try to overrule the vote by blocking it from getting royal assent, Morrison vowed to reverse the "foolish" law should the Coalition be reelected when the polls open in May.
Anthem live action short film coming from director Neill Blomkamp
Fans can see how Conviction fares by comparison on February 14th, when the short premieres on Oats Studios' official YouTube channel .
"What is true today is, as a result of what happened in the Parliament yesterday and what is happening in the Senate now, our border protection laws are weaker than they were go days ago".
"I believe we can keep our borders secure, we can uphold national security, but still treat people humanely", he said.
"I would urge Derryn Hinch and every other Senate crossbencher, and frankly Bill Shorten and the Labor Party, to think again about the consequences of this and the necessity of it", Senator Birmingham told Sky News.
"The people of Australia will remember this day and know that this is now on your head", the Prime Minister said to Mr Shorten in Parliament.
Home Affairs Minister Peter Dutton is already bracing for more asylum seekers to land in Australia after the changes narrowly cleared the lower house on Tuesday, handing the government an historic defeat.
"This is merely codifying something that the government itself says is happening now".
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