Nov 6 (Reuters) - National Australia Bank Ltd NAB.AX :
* Bank Of New Zealand is considering making an offer of up to Nz$300 Million Of subordinated unsecured notes
* offer is expected to open on 23 november 2015
* says notes will have a term of 10 years
* proceeds from the offer will be used for general corporate purposes
* says notes are not being offered or sold in australia
* Source text for Eikon ID:nASX6vvmrC