A/HRC/7/28 page 23 • Possibility of determining their own priorities versus being donor-driven; • Tax exemption for non-profit organizations. To assess levels of security of defenders − Number and type of attacks and threats against defenders; − Availability and effectiveness of protection programmes and measures. To assess levels of impunity of human rights violations against defenders − Number and type of human rights violations against defenders; − Accessibility of remedies available to defenders; − Number, quality (prompt and impartial) and outcome of investigations and prosecutions sanctioning violations against human rights defenders and providing compensation to victims; − Existence, accessibility and effectiveness of independent oversight mechanisms for violations committed by public authorities, including the police. Governments’ collaboration with regional and international human rights mechanisms12 − Collaboration with the Special Representative: • Responsiveness to questionnaires sent by the Special Representative for the preparation of reports; • Responsiveness to communications (timelines, comprehensiveness in replying to all the questions, scope of measures taken to address and redress both the individual cases as well as the general situation related to the individual cases); • Responding positively to requests of invitations to carry out country visits; • Reporting on measures taken to implement recommendations. E. Engaging stakeholders 79. In addition to the follow-up initiatives carried out directly by the Special Representative to monitor the effectiveness of her work, the impact of the activities of the mandate is maximized 12 Sets of indicators can be used to measure the levels of collaboration of Governments with other human rights mechanisms. In this report, the Special Representative only details indicators related to the collaboration with her mandate.