As a commissioner of the Croatian Parliament responsible for the promotion and protection of human rights and freedoms and the performance of the mandates of the National Equality Body as well as the National Preventive Mechanism for the protection of persons deprived of their liberty, the Ombudswoman acts within her competences laid down by the Constitution of the Republic of Croatia, the Ombudsman Act, the Anti-discrimination Act and the Act on the National Preventive Mechanism.
If she deems it necessary, she can issue recommendations, opinions, suggestions and warnings to the state bodies, bodies of local and regional self-government units and legal persons vested with public authority as well as to legal and natural persons, in line with the special law. She can request from them all the necessary information, data, explanations and other types of documentation and they are obliged to deliver the requested documentation and/or data within the legally set deadlines. 
Grouped according to her mandates, the activities of the Ombudswoman include: 
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HUMAN RIGHTS
•examining the complaints of the existence of unlawful practices and irregularities with respect to the work of state bodies, bodies of local and regional self-government units and legal persons vested with public authority
•in line with special laws, examining complaints regarding the conduct of legal and natural persons
• monitoring the state of human rights and pointing out to the need for their protection
•carrying out research and analysis
•monitoring the alignment of laws and other regulations with provisions of the Constitution of the Republic of Croatia 
•promoting the alignment of legislation with international and European standards and their consistent application
•developing and maintaining the institutional database and relevant documentation
•providing information to the public and the relevant stakeholders in a timely and regular manner
•actively encouraging and maintaining cooperation with the civil society, international organizations and scientific and research institutions
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DISCRIMINATION
•receiving reports from all the natural and legal persons
•providing necessary information to natural and legal persons with regard to their rights and obligations and to the possibilities of court and other protection
•examining individual reports and taking actions falling within her competences required for elimination of discrimination and protection of the rights of discriminated persons (if the court proceedings have not yet been initiated)
•warning the public about the occurrence of discrimination
•with the parties’ consent, conduction mediation with a possibility of reaching an out-of-court settlement
•filing criminal charges related to discrimination cases to the competent state attorney’s office
•collecting and analyzing statistical data on discrimination cases
•informing the Croatian Parliament on the occurrence of discrimination in her annual and, when required, special reports
•conducting surveys concerning discrimination, giving opinions and recommendations, and suggesting appropriate legal and strategic solutions to the Government of the Republic of Croatia
NATIONAL PREVENTIVE MECHANISM
•visiting places where persons are or may be deprived of their liberty
•giving recommendations to the competent government bodies and institutions aimed at improving the treatment of persons deprived of their liberty and their living conditions
•making proposals and observations concerning laws and other regulations
•cooperation with the United Nations Subcommittee on Prevention of Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment