The defence of honest and reasonable mistake of fact under s 80(1) of the Bankruptcy Act 1966 (Cth) is available only where the bankrupt mistakenly believes that notification of a change of address has been given to the trustee; it is not available where the bankrupt claims to have mistakenly believed that no change of address occurred. The gist of the offence is the failure to tell, and the section is construed as excluding the defence where the alleged mistake relates to whether the occasion for disclosure had arisen.
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