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AIAAIC-0590

Home Office sham marriage algorithm

The sham marriage triage tool is an automated system developed and used by the UK government to detect fake marriages and civil partnerships in which couples get married to avoid immigration law rather than because they have a genuine relationship. T he system was discovered to have been covertly introduced in March 2015 as part of a 'hostile environment' immigration policy. A machine learning-based triage system was introduced in April 2019. The AI algorithm assesses couples against eight risk factors, including the age difference between the couple and any shared travel history, and divides th e m into 'red' and 'green' light categories. A red light referral can put a person’s immigration and visa status at risk, and may lead to an investigation, legal action and deportation. Lawyers and civil rights advocates warn the s ham marriage triage tool may be inaccurate, unfair and discriminator y. February 2023. Legal challenge launched against 'discriminatory' sham marriage algorithm April 2021. UK sham marriage tool found to disproportionately flag Greeks, Albanians,

Organisation involved
UK Visas and Immigration
Product, system or model
Sham marriage algorithm
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