Jen Heath 8 September 2017 Individual Tax Returns Why Marriage Equality Matters to This Accountant Jen Heath 8 September 2017 Individual Tax Returns This fortnight's blog was going to be about how to register for an ABN. And I still intend to write that blog, so keep your eyes peeled in the coming weeks.But it's time to speak up about this, and it cannot wait while I write about ABNs.