AI Ethics guidelines have been published in English, French, Spanish,  released in April 2019 by the High-Level Expert Group on AI .

Ethics guidelines for trustworthy AI | Shaping Europe’s digital future (europa.eu)

This publication by IBM teases some challenges too : rossi-francesca_4-22-19_ai-ethics-for-enterprise-ai_ec3118-hbs.pdf (harvard.edu)

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