23. (2)
A request shall be refused if the central authority for Guyana believes that-
the request relates to the prosecution or punishment of a person for an offence that is, or is by reason of the circumstances in which it is alleged to have been committed or was committed, an offence of a political character;
there are substantial grounds for believing that the request has been made with a view to prosecuting or punishing a person for an offence of a political character;
there are substantial grounds for believing that the request was made for the purpose of prosecuting, punishing, or otherwise causing prejudice to a person on account of the person's race, sex, religion, nationality, place of origin, or political opinions;
4. El Estado Parte podrá no dar lugar a una solicitud de asistencia, en su totalidad o en parte, de conformidad con el artículo 72 y únicamente si la solicitud se refiere a la presentación de documentos o la divulgación de pruebas que afecten a su seguridad nacional.