Before you start
Make sure you're eligible to use the filing frequency you want to change to.
Which GST accounting basis and filing frequency should I use?
Select 'More...' on the GST account
Select 'Update GST account details'
Select the filing frequency you want to change to
Log in to myIR
What happens next
We'll contact you within 15 working days to let you know the date the change comes into effect.