As the name of the Office itself suggests, USKOK deals with the suppression of corruption and organised crime. All other cases are under the competence of other/regular state attorney’s offices.

The competence of the Office is prescribed by the Act on the Office for the Suppression of Corruption and Organized Crime (Official Gazette Nos. 76/09, 116/10, 145/10, 57/11, 136/12, 148/13, 70/17).

Article 21 of the said Act prescribes in relation to which criminal offenses the Office performs the tasks of the State Attorney's Office.

Article 21 reads:

(1) The Office performs state attorney office tasks in cases involving the following criminal offences referred to in the Criminal:

  1. malpractice in bankruptcy proceedings referred to in Article 283 paragraphs 2 and 3; unfair competition in foreign trade operations referred to in Article 289 paragraph 2; abuse in performing governmental duties referred to in Article 338; illegal intercession referred to in Article 343; accepting a bribe referred to in Article 347; accepting a bribe in economic operations referred to in Article 294 a; offering a bribe referred to in Article 348; and offering a bribe in economic operations referred to in Article 294 b;
  2. abuse of office and official authority referred to in Article 337, if these offences have been committed by an official person referred to in Article 89 paragraph 3;
  3. unlawful deprivation of freedom referred to in Article 124 paragraph 3; kidnapping referred to in Article 125 paragraph 2; coercion referred to in Article 128 paragraph 2; trafficking in human beings and slavery referred to in Article 175 paragraph 3; illegal transfer of persons across the state border referred to in Article 177 paragraph 3; robbery referred to in Article 218 paragraph 2; extortion referred to in Article 234 paragraph 2; blackmail referred to in Article 235 paragraph 2; money laundering referred to in Article 279 paragraph 3; illegal debt collection referred to in Article 330, paragraphs 4 and 5, if these criminal offences have been committed as a member of a group (Article 89 paragraph 22) or criminal organisation ;
  4. abuse of narcotic drugs referred to in Article 173 paragraph 3;
  5. association for the purpose of committing criminal offences referred to in Article 333, including all criminal offences committed by this group or criminal organisation, except for criminal offences against the Republic of Croatia and the Armed Forces;
  6. a criminal offence committed in relation to the activity of a group of people or criminal organisation for which a prison sentence for a period exceeding three years is prescribed, and if the criminal offence was committed in the territory of two or more states or a significant part of its preparation or planning was done in another state.
  7. The Office also has jurisdiction to conduct criminal proceedings against the organisers of a group of people or criminal organisation for the commission of the criminal offences of pandering referred to in Article 195 paragraph 2, illicit trade in gold referred to in Article 290 paragraph 2, and avoiding customs control referred to in Article 298 paragraphs 2 and 3.
  8. money laundering referred to in Article 279 paragraphs 1 and 2, evasion of tax and other levies referred to in Article 286; obstruction of evidence referred to in Article 304 paragraph 1 and 2, duress against a judicial official referred to in Article 309, obstructing an official in the performance of official duty referred to in Article 317, attacking an official referred to in Article 318, and the criminal offence of disclosure of a protected witness’s identity referred to in Article 305 a, if these offences have been committed in connection with the commission of the criminal offences referred to in subparagraphs 1 to 7 of this paragraph.

(2) The Office performs state attorney’s office tasks in cases involving the following criminal offences referred to in Criminal Code:

  1. receiving or giving bribes during insolvency proceedings referred to in Article 251, accepting a bribe in economic transactions referred to in Article 252; offering a bribe in economic transactions referred to in Article 253; abuse of office and official authority referred to in Article 291, if these offences have been committed by an official person referred to in Article 87 paragraph 3; illegal intercession referred to in Article 292; accepting bribe referred to in Article 294, trading in influence referred to in Article 295, giving a bribe for trading in influence referred to in Article 296, bribing representatives referred to in Article 339;
  2. criminal organisation referred to in Article 328 and committing criminal offence as a member of a criminal organization referred to in Article 329, except for criminal offences against the Republic of Croatia and the Armed Forces;
  3. a criminal offence committed in relation to the activity of a criminal organisation for which a prison sentence for a period exceeding three years is prescribed, and if the criminal offence was committed in the territory of two or more states or a significant part of its preparation or planning was done in another state.
  4. money laundering referred to in Article 265; evasion of tax and customs duty referred to in Article 256; obstruction of evidence referred to in Article 306 paragraph 1 and 2, coercion against a judicial official referred to in Article 312; coercion against a public official referred to in Article 314; attack on a public official referred to in Article 315, and the criminal offence of disclosure of a protected witness’s identity referred to in Article 308, if these offences have been committed in connection with the commission of the criminal offences referred to in subparagraphs 1 to 3 of this paragraph.