Where on the tax return form you have to enter the date of arrival for new residents so that they are entitled to only part year tax free threshold.

ATO: A2 Part-year tax-free threshhold 2018

 Turn-on Financial Image in LodgeiT

Go to Form, Click the "Four Little squares"

Turn-on "Adjustment" image

After Turning-on "Adjustments" in Financial picture,

Select "Form" >  "ITR" click  "Adjustments"  tab