Home›Browse›Once-only principle🌐EnglishEnglishDeutsch日本語EntityQ51069963· pop 5· linked from 4 articlesOnce-only principleSign in to saveAlso known as OOP, once-onlye-government concept to provide information to the authorities onceWikidata factsInstance ofconceptvia Wikidata · CC0Available in 5 languagesDeutsch日本語GreekLatvianvia Wikidata sitelinks · CC0