Meanwhile, Foreign Minister Julie Bishop said she hoped the appeal represented a possible shift in the stance of the Indonesian government.

'There could be other reasons for the delay but I hope, in my heart, that it's a change of mind,' she said. 

It comes after Scott Rush- one of the Bali Nine members who had his sentence changed from death to life in prison-has spoken out about his sympathy for the pair.

Rush, 29, told The Weekend Australian via a friend he was 'shocked and heartbroken' by news of the their fate.

'I am praying for Myuran and Andrew and for the other condemned prisoners that even at this time mercy can't be shown,' he said.

'I send love and prayers to the families and loved ones. May God bless them all,' Mr Rush reportedly said.

One of the Brisbane man's lawyers said that while his client was saddened by the destiny of the condemned duo, the reports he felt guilty were inaccurate.

News has also surfaced that Chan and Sukumaran's families have been blocked from visiting them on Nusakambangan Island. 

Australian consular are seeking leniency for the devastated families, but Indonesian Officials have vowed there will be no concessions made.

'No exception. We can't make allowances for certain families only. It won't be fair for the others,' he said.,' Central Java justice office Mirza Zukarnain told The Age.

Tensions between Indonesia and Australia are also running high, with Australia lodging a formal complaint to the Indonesian ambassador on Thursday over the treatment of the two men during their transfer to death island.