https://www.ato.gov.au/businesses-and-organisations/not-for-profit-organisations/your-organisation/changes-to-your-organisation/notifying-us-of-changes-to-your-not-for-profit
How to contact us if you have changes in circumstances, such as personnel, structure or activities.
notifying uschangesprofitaustralian
https://www.gov.uk/government/collections/notifying-us-of-an-accident
Guidance for industry on how to notify an accident.
notifying usgov ukaccident