As others here have mentioned, the British government maintains similar guidance: https://www.gov.uk/guidance/content-design/writing-for-gov-uk https://www.gov

As others here have mentioned, the British government maintains similar guidance: https://www.gov.uk/guidance/content-design/writing-for-gov-uk https://www.gov.uk/guidance/content-design/writing-for-gov-u... As does the US federal government: https://plainlanguage.gov/ https://plainlanguage.gov/