The PROCEDURE for the clients to acquire the licence to use the TEA2 algorithm in order to use the radio mobile applications on the radiocommunications support of the TETRA Common Platform - issued on 21.02.2008

The LICENCE to use the TEA2 information encryption algorithm transmitted through the radio channels of the TETRA Common Platform - issued on 21.02.2008

The PROCEDURE of technical and functional checkout of the radio terminals that are to be used for the TETRA radiocommunications single platform administered by STS - issued on 10.07.2008

CONFIDENTIALITY AGREEMENT on the information about the TEA2 encryption algorithm - issued on 01.04.2009

The operational PROCEDURE on the issuance of the basic approval which establishes the location of the main stations in order to broadcast the audiovisual programs services on a radio-electric frequency - issued in the Official Gazette of Romania, no. 595, issued on 28.08.2009, Part 1