There have been calls for the economic development minister to resign over his handling of the Sefton Group bailout.
It was given £4.5 million of taxpayers' money, after claims it was in serious financial straits.
An economic committee report, being debated in Tynwald, has heavily criticised some of the government's action, questioning whether it acted within the law.
Both South Douglas MHK Kate Beecroft, and firstly Michael MHK Alf Cannan, have said Mr Shimmin should remain true to his word, and step down:
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'Unprecedented' situation after deemster in Island's first group litigation case resigns
Immigration changes designed to stop exploitation by 'bad eggs'
Plantation wood, telegraph poles and Satnav to be discussed in the House of Keys
Contingency budget for horse tram tracks 'significantly increased'
MHK to seek re-election in Arbory, Castletown and Malew