The legislation was passed unanimously by the Icelandic Althing on 11 June 2010, and took effect on 27 June 2010, replacing an earlier system of registered partnerships for same-sex couples.
Zakon je jednoglasno usvojen u Althingu 11. lipnja 2010., a na snagu je stupio 27. lipnja 2010., zamijenivši raniji sustav registriranih partnerstava za istospolne parove.