Year 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 Month Select January Feburary March April May June July August September October November December New process for GST/Contribution deferrals Date02 December 2021 A new online application form is now available for eligible businesses, including self-employed people, affected by the pandemic who want to defer Social Security contributions and/or GST.