Guidelines on the Role of Prosecutors, Articles 2 (a) and 13 (a)
Adopted by the Eighth United Nations Congress on the Prevention of Crime and the Treatment of Offenders, Havana, Cuba, 27 August to 7 September 1990
Article 2
2. States shall ensure that:
(a) Selection criteria for prosecutors embody safeguards against appointments based on partiality or prejudice, excluding any discrimination against a person on the grounds of race, colour, sex, language, religion, political or other opinion, national, social or ethnic origin, property, birth, economic or other status, except that it shall not be considered discriminatory to require a candidate for prosecutorial office to be a national of the country concerned;
Article 13
13. In the performance of their duties, prosecutors shall:
(a) Carry out their functions impartially and avoid all political, social, religious, racial, cultural, sexual or any other kind of discrimination;