43 Article 54. Mutual assistance regarding the collection of electronic information. 1. A State Party in its territory or territory under its jurisdiction shall carry out the real-time collection of electronic information transmitted with the use of ICT, in accordance with procedures provided for by domestic law. Such information is provided to another State Party in accordance with domestic law, as well as existing mutual legal assistance agreement. Article 55. Joint investigations The States Parties shall consider concluding bilateral or multilateral agreements or arrangements whereby, in relation to cases that are the subject of investigations, prosecutions or judicial proceedings in one or more States, the competent authorities concerned may establish joint investigative bodies. In the absence of such agreements or arrangements, joint investigations may be undertaken by agreement on a case-by-case basis. The relevant States Parties involved shall ensure that the sovereignty of the State Party in whose territory such an investigation is to take place is fully respected. Article 56. Special investigative techniques 1. With a view to effectively combating offences in the area of ICT use each State Party, to the extent permitted by the basic principles of its domestic law and under the conditions prescribed by its domestic law, take, within its possibilities, such measures which can be necessary to allow for the appropriate use of special investigative techniques, such as electronic or other forms of surveillance, as well as undercover operations, by its competent authorities in its territory so that evidence gathered through such methods were accepted in court. 2. For the purpose of investigating the offences covered by this Convention, States Parties shall be encouraged to conclude, when necessary, appropriate bilateral or multilateral agreements or arrangements for using such special investigative techniques in the context of cooperation at the international level.