Catastrophe Claims Data Collection Requirement

The table below lists out the major catastrophe events for which an authorized insurer carrying on general insurance business is required to submit catastrophe claims details to the Insurance Authority. The submission may be required to be made on adhoc basis or along with the quarterly returns pursuant with the Insurance (Submission of Statements, Reports and Information) Rules (Cap. 41S).

CAT Code¹	Event Period	Description of Catastrophe	Quarterly Return²		Adhoc Reporting³
CAT Code¹	Event Period	Description of Catastrophe	First Reporting Quarter	Last Reporting Quarter	Adhoc Reporting³
RAG25	22 to 25 Sep 2025	Super Typhoon Ragasa	2025 Q4	Required until further notice	Valuation date: 31 Oct 2025 (Submission due date: 14 Nov 2025)
B8425	4 to 5 Aug 2025	Severe flooding event during the HK Black Rainstorm Signal	2025 Q3	Required until further notice
WPA25	19 to 21 Jul 2025	Typhoon Wipha	2025 Q3	Required until further notice
B9723	7 to 8 Sep 2023	Severe flooding event during the HK Black Rainstorm Signal	2023 Q3	2024 Q3
SAO23	23 Aug to 3 Sep 2023	Super Typhoon Saola	2023 Q3	2024 Q3
MKT18	7 to 17 Sep 2018	Super Typhoon Mangkhut	2018 Q4	2019 Q4	Valuation date: 5 Oct 2018 (Submission due date: 12 Oct 2018)

1. The CAT code to be used for return form <B.G.TR.4>.
2. Authorized insurers are required to follow the quarterly return submission procedure and report the catastrophe claims in the return form <B.G.TR.4> within the specified period in rule 4(2) of Insurance (Submission of Statements, Reports and Information) Rules (Cap. 41S).
3. Adhoc reporting refers to the additional data collection requirements outside of the quarterly return submission cycle. The corresponding valuation date and the submission deadline are shown. The same return form <B.G.TR.4> is used to report the catastrophe claims.