http://www.legislation.gov.uk/id/uksi/2021/534

SCHEDULES

SCHEDULE 1Administrative procedures

Article 70(1)

Compliance periods and timeline

1. (1)

The procedures specified in this Schedule summarise administrative roles and responsibilities of the persons involved in implementing Parts 2 and 3 of this Order. This Schedule provides a list of activities, and the associated date by which the activities must be completed.

(2)2021-2023 period

During the period of 2021-2023, aeroplane operators and Regulators must comply with the requirements according to the timeline in Table 1, where applicable.

Table 1Details of compliance timeline for 2021-2023 period

Timeline	Activity
To 31st December 2021	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2021 from international flights.
To 31st May 2021	The aeroplane operator must compile 2020 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
31st May 2021	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2020 to the Regulator in accordance with article 35(3).
1st June 2021 to 31st August 2021	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2020 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
30th June 2021	The Secretary of State must notify ICAO of any change in the decision by the government of the United Kingdom to voluntarily participate, or to discontinue the voluntary participation, in the applicability of CORSIA’s offsetting requirements under Part II, Chapter 3 of Volume IV of Annex 16 to the Chicago Convention from 1st January 2022 in accordance with article 7(1).
1st August 2021	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2022 compliance year.
31st August 2021	The Secretary of State must submit required information regarding CO₂ emissions for 2020 to ICAO in accordance with article 33(3).
30th September 2021	The Regulator must calculate and inform aeroplane operators attributed to it of their average total CO₂ emissions during 2019 and 2020, in accordance with article 33(1).
30th November 2021	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2022 to 31st December 2022	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2022 from international flights.
1st January 2022 to 30th April 2022	The aeroplane operator must compile 2021 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2022	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2021 to the Regulator in accordance with article 35(3).
1st May 2022 to 31st July 2022	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2021 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
30th June 2022	The Secretary of State must notify ICAO of any change in the decision by the government of the United Kingdom to voluntarily participate, or to discontinue the voluntary participation, in the applicability of CORSIA’s offsetting requirements under Part II, Chapter 3 of Volume IV of Annex 16 to the Chicago Convention from 1st January 2023 in accordance with article 7(1).
31st July 2022	The Secretary of State must submit required information regarding CO₂ emissions for 2021 to ICAO in accordance with article 33(3).
1st August 2022	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2023 compliance year.
31st October 2022	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2021 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)50”.
30th November 2022	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2023 to 31st December 2023	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2023 from international flights.
1st January 2023 to 30th April 2023	The aeroplane operator must compile 2022 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2023	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2022 to the Regulator in accordance with article 35(3).
1st May 2023 to 31st July 2023	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2022 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
30th June 2023	The Secretary of State must notify ICAO of any change in the decision by the government of the United Kingdom to voluntarily participate, or to discontinue the voluntary participation, in the applicability of CORSIA’s offsetting requirements under Part II, Chapter 3 of Volume IV of Annex 16 to the Chicago Convention from 1st January 2024 in accordance with article 7(1).
31st July 2023	The Secretary of State must submit required information regarding CO₂ emissions for 2022 to ICAO in accordance with article 33(3).
1st August 2023	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2024 compliance year.
31st October 2023	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2022 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2023	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

(3)2024-2026 period

During the period of 2024-2026, aeroplane operators and Regulators must comply with the requirements according to the timeline in Table 2, where applicable.

Table 2Details of compliance timeline for 2024-2026 period

Timeline	Activity
1st January 2024 to 31st December 2024	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2024 from international flights.
1st January 2024 to 30th April 2024	The aeroplane operator must compile 2023 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2024	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2023 to the Regulator in accordance with article 35(3).
1st May 2024 to 31st July 2024	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2023 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
30th June 2024	The Secretary of State must notify ICAO of any change in the decision by the government of the United Kingdom to voluntarily participate, or to discontinue the voluntary participation, in the applicability of CORSIA’s offsetting requirements under Part II, Chapter 3 of Volume IV of Annex 16 to the Chicago Convention from 1st January 2025 in accordance with article 7(1).
31st July 2024	The Secretary of State must submit required information regarding CO₂ emissions for 2023 to ICAO in accordance with article 33(3).
1st August 2024	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2025 compliance year.
31st October 2024	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2023 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2024	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2025 to 31st December 2025	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2025 from international flights.
1st January 2025 to 30th April 2025	The aeroplane operator must compile 2024 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2025	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2024 to the Regulator in accordance with article 35(3).
1st May 2025 to 31st July 2025	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2024 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
30th June 2025	The Secretary of State must notify ICAO of any change in the decision by the government of the United Kingdom to voluntarily participate, or to discontinue the voluntary participation, in the applicability of CORSIA’s offsetting requirements under Part II, Chapter 3 of Volume IV of Annex 16 to the Chicago Convention from 1st January 2026 in accordance with article 7(1).
31st July 2025	The Secretary of State must submit required information regarding CO₂ emissions for 2024 to ICAO in accordance with article 33(3).
1st August 2025	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2026 compliance year.
31st October 2025	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2024 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2025	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2026 to 31st December 2026	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2026 from international flights.
1st January 2026 to 30th April 2026	The aeroplane operator must compile 2025 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2026	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2025 to the Regulator in accordance with article 35(3).
1st May 2026 to 31st July 2026	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2025 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2026	The Secretary of State must submit required information regarding CO₂ emissions for 2025 to ICAO in accordance with article 33(3).
1st August 2026	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2027 compliance year.
31st October 2026	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2025 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2026	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

(4)2027-2029 period

During the period of 2027-2029, aeroplane operators and Regulators must comply with the requirements according to the timeline in Table 3, where applicable.

Table 3Details of compliance timeline for 2027-2029 period

Timeline	Activity
1st January 2027 to 31st December 2027	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2027 from international flights.
1st January 2027 to 30th April 2027	The aeroplane operator must compile 2026 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2027	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2026 to the Regulator in accordance with article 35(3).
1st May 2027 to 31st July 2027	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2026 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2027	The Secretary of State must submit required information regarding CO₂ emissions for 2026 to ICAO in accordance with article 33(3).
1st August 2027	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2028 compliance year.
31st October 2027	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2026 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2027	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2028 to 31st December 2028	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2028 from international flights.
1st January 2028 to 30th April 2028	The aeroplane operator must compile 2027 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2028	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2027 to the Regulator in accordance with article 35(3).
1st May 2028 to 31st July 2028	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2027 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2028	The Secretary of State must submit required information regarding CO₂ emissions for 2027 to ICAO in accordance with article 33(3).
1st August 2028	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2029 compliance year.
31st October 2028	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2027 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2028	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2029 to 31st December 2029	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2029 from international flights.
1st January 2029 to 30th April 2029	The aeroplane operator must compile 2028 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2029	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2028 to the Regulator in accordance with article 35(3).
1st May 2029 to 31st July 2029	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2028 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2029	The Secretary of State must submit required information regarding CO₂ emissions for 2028 to ICAO in accordance with article 33(3).
1st August 2029	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2030 compliance year.
31st October 2029	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2028 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2029	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

(5)2030-2032 period

During the period of 2030-2032, aeroplane operators and Regulators must comply with the requirements according to the timeline in Table 4, where applicable.

Table 4Details of compliance timeline for 2030-2032 period

Timeline	Activity
1st January 2030 to 31st December 2030	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2030 from international flights.
1st January 2030 to 30th April 2030	The aeroplane operator must compile 2029 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2030	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2029 to the Regulator in accordance with article 35(3).
1st May 2030 to 31st July 2030	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2029 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2030	The Secretary of State must submit required information regarding CO₂ emissions for 2029 to ICAO in accordance with article 33(3).
1st August 2030	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2031 compliance year.
31st October 2030	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2029 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2030	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2031 to 31st December 2031	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2031 from international flights.
1st January 2031 to 30th April 2031	The aeroplane operator must compile 2030 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2031	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2030 to the Regulator in accordance with article 35(3).
1st May 2031 to 31st July 2031	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2030 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2031	The Secretary of State must submit required information regarding CO₂ emissions for 2030 to ICAO in accordance with article 33(3).
1st August 2031	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2032 compliance year.
31st October 2031	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2030 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2031	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2032 to 31st December 2032	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2032 from international flights.
1st January 2032 to 30th April 2032	The aeroplane operator must compile 2031 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2032	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2031 to the Regulator in accordance with article 35(3).
1st May 2032 to 31st July 2032	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2031 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2032	The Secretary of State must submit required information regarding CO₂ emissions for 2031 to ICAO in accordance with article 33(3).
1st August 2032	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2033 compliance year.
31st October 2032	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2031 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2032	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

(6)2033-2035 period

During the period of 2033-2035, aeroplane operators and Regulators must comply with the requirements according to the timeline in Table 5, where applicable.

Table 5Details of compliance timeline for 2033-2035 period

Timeline	Activity
1st January 2033 to 31st December 2033	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2033 from international flights.
1st January 2033 to 30th April 2033	The aeroplane operator must compile 2032 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2033	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2032 to the Regulator in accordance with article 35(3).
1st May 2033 to 31st July 2033	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2032 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2033	The Secretary of State must submit required information regarding CO₂ emissions for 2032 to ICAO in accordance with article 33(3).
1st August 2033	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2034 compliance year.
31st October 2033	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2032 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2033	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2034 to 31st December 2034	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2034 from international flights.
1st January 2034 to 30th April 2034	The aeroplane operator must compile 2033 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2034	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2033 to the Regulator in accordance with article 35(3).
1st May 2034 to 31st July 2034	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2033 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2034	The Secretary of State must submit required information regarding CO₂ emissions for 2033 to ICAO in accordance with article 33(3).
1st August 2034	The Regulator must obtain and use the ICAO document entitled “CORSIA States for Chapter 3 State Pairs” applicable for the 2035 compliance year.
31st October 2034	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2033 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.
30th November 2034	The Secretary of State must submit updates to the list of aeroplane operators that are attributed to the United Kingdom to ICAO in accordance with article 8(5), as well as updates to the list of verification bodies accredited in the United Kingdom in accordance with article 11(3).

1st January 2035 to 31st December 2035	The aeroplane operator must monitor, in accordance with Chapter 2 of Part 3 of this Order, CO₂ emissions for 2035 from international flights.
1st January 2035 to 30th April 2035	The aeroplane operator must compile 2034 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2035	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2034 to the Regulator in accordance with article 35(3).
1st May 2035 to 31st July 2035	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2034 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2035	The Secretary of State must submit required information regarding CO₂ emissions for 2034 to ICAO in accordance with article 33(3).
31st October 2035	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2034 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.

1st January 2036 to 30th April 2036	The aeroplane operator must compile 2035 CO₂ emissions data to be verified by a verification body, in accordance with Chapter 4 of Part 3 of this Order.
30th April 2036	The aeroplane operator and the verification body must both independently submit, upon authorisation by the aeroplane operator, the verified Emissions Report and associated Verification Report for 2035 to the Regulator in accordance with article 35(3).
1st May 2036 to 31st July 2036	The Regulator must conduct an order of magnitude check of the verified Emissions Report for 2035 in accordance with article 35(4) including any filling in of data gaps in case of non-reporting by aeroplane operators in accordance with article 37(6) and (7).
31st July 2036	The Secretary of State must submit required information regarding CO₂ emissions for 2035 to ICAO in accordance with article 33(3).
31st October 2036	The Regulator must obtain and use the Sector’s Growth Factor (SGF) for 2035 from the ICAO document entitled “CORSIA Annual Sector’s Growth Factor (SGF)”.