The Prosecutor General's Office of the Republic of Lithuania and  the Ministry of Justice of the Republic of Lithuania -  if MLA is provided under CoE 1959 Convention on MLA.   The Ministry of Justice -  at the trial stage, the Prosecutor General's Office -  at the pre-trial stage.
The Prosecutor General's Office, the Regional Prosecutor's Offices and the District courts - if MLA is provided under the EU 2000 Convention or EIO directive. The District courts - at the trial stage, Prosecutor's Offices  - at the pre-trial stage.