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- 06 December 2013 – Extension of the Period of Operation of the Main Collective Agreement and the 2013–2014 Rates
- 14 October 2016 – Extension to Non-Parties of the Main Collective Agreement
- 05 January 2018 – Extension to Non-Parties of the Main Collective Agreement and the Two-Year Rates Agreement (2017–2018)
- 01 March 2019 Extension to Non-Parties of the Main Collective Agreement and the Published Rates
- 17 July 2020 – Renewal of the Period of Operation
- 18 December 2020 – Extension of the Period of Operation
- 21 May 2021 – Extension of the Period of Operation2022 Extension
- 29 June 2022 – Extension of the Period of Operation to Non-Parties
- 23 December 2022 – Extension of the Period of Operation to Non-Parties
- 29 June 2023 – Extension of the Period of Operation of the Main Collective Agreement to Non-Parties
- 29 September 2023 – Extension of the Period of Operation to Non-Parties
- 20 October 2023 – Extension to Non-Parties of the Main Collective Agreement (Full Agreement as Amended)
- 20 September 2024 – Extension of the Period of Operation of the Main Collective Agreement to Non-Parties
- 29 November 2024 – Extension to Non-Parties of the Main Collective Agreement and the 2024–2025 Rates
