Following are a number of back-translations as well as a sample translation for translators of Deuteronomy 27:22:

• Kupsabiny: “‘Cursed is anyone who sleeps with his sister, whether the daughter of his father or of his mother.’ Then all the people are to respond, ‘It is/shall be like that!’ (Amen).” (Source: Kupsabiny Back Translation)
• Newari: “A curse must fall on the man who sleeps with his elder or younger sister, or with his father’s or mother’s elder or younger daughter by another marriage.
  Then all must say, "Amen!"” (Source: Newari Back Translation)
• Hiligaynon: “‘Cursed is the man who has-sexual-relation with his sister, either his sister in (his) father nor mother’s (side).’ Then all the people shall- reply, ‘Amen!’” (Source: Hiligaynon Back Translation)
• English: “‘Yahweh will curse anyone who has sex with his sister or with his half-sister.’
  And all the people must reply, ‘Amen/We want that to happen.’” (Source: Translation for Translators)