That facility was closed more than a week ago after the PNG Supreme Court ruled previous year it was unconstitutional, and authorities have warned they will move in using force if necessary if those remaining do not leave by the weekend.
Asylum seekers on Manus Island say they fear violent attacks if forced to move to the transit centres, despite losing access to electricity and running water more than a week ago.
"You can not continue to remain here in this condition", the notice says. "If necessary, force may be used to relocate those who refuse to move voluntarily for your own sake".
Yesterday, workers began removing the high security fences around the centre and PNG Immigration authorities warned the safety of the men inside "is not guaranteed".
Australia, it said, should "end its offshore transfer arrangements and cease any further transfers of refugees or asylum-seekers to Nauru, Papua New Guinea or an other regional processing country", they said in a report.
The letter also referred to the PNG Supreme Court's November 7 decision to reject an application by refugee Behrouz Boochani which sought an interim injunction to stop the relocation of the men, saying, "You have no legal basis to remain in this compound".
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The aerial formation consists of aircraft from the carrier strike groups as well as Air Force aircraft. Kim has called Trump a "mentally deranged USA dotard".
Australia's 1958 Migration Act allows removal of an unlawful non-citizen regardless of the risk of returning them to a country where they may face death or persecution, the committee said, ignoring the principle of not sending refugees back to danger, known as "non-refoulement".
"The centre will not be reopened and it will be returned to its former function as a defence force facility", he said.
Lily Matchett, spokesperson for WACA explained the group's actions were "in protest of the humanitarian crisis unfolding on Manus Island under our Government's watch".
"The instructions for this threat have no doubt come directly from Dutton's office", Senator McKim, who is in Papua New Guinea, said.
The UN Human Rights Committee also called on Australia to "take all measures necessary" to protect the rights of those impacted by the closure of such facilities, like the 600 men who have refused to leave a camp on Papua New Guinea's Manus Island.