The 1997 Polish Constitution contains general anti-discrimination clauses, according to which all people are equal before the law and have the right to equal treatment by the public authorities, and no one may be discriminated against in political, social or economic life for any reason whatsoever. This principle does not specify criteria for prohibited forms of discrimination.
By 2010 Poland had transposed the equality directives, mainly in the employment field. There were still a number of gaps, which finally caused some referrals to the European Court of Justice. This mobilised the Polish Government to finally approve of the Act on the Implementation of Certain Provisions of the European Union in the Field of Equal Treatment that entered into force on 1 January 2011 (hereafter the ‘Equal Treatment Act’ or ETA).