December 2021 Monthly Activity Statement by Peter McCarthy | Jul 1, 2021 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: January 21, 2022 all-day 2022-01-21T00:00:00+11:00 2022-01-22T00:00:00+11:00 ATO Important Dates Lodge and pay December 2021 monthly business activity statement except for small business clients (that is up to $10 million turnover) who report GST monthly and lodge electronically.