15. The decision of the Communications Regulatory Authority becomes effective and binding after the deadline specified in paragraph 18 of this Article during which the parties have the right to appeal directly to Vilnius Regional Court and ask them to consider the dispute as to the substance of the matter. Procedural decisions of the Communications Regulatory Authority issued in the course of proceedings shall be effective and binding from the day of their adoption. 16. Decisions on disputes issued by the Communications Regulatory Authority shall be public to the extent that it does not violate the protection of state, official or commercial secrets or the privacy of a natural person. The rules for the settlement of disputes between undertakings by the Communications Regulatory Authority shall establish the procedure whereby parties to the dispute and other interested undertakings and persons who have participated in the consideration of the dispute shall specify which information in the text of the decision should be confidential. The law interpretation rules set out in the text of the decision shall be public in all cases. The parties to the dispute shall be provided with a detailed and reasoned decision issued by the Communications Regulatory Authority. 17. The Communications Regulatory Authority's procedural decisions to reject the application, leave the dispute without consideration, other procedural decisions issued in the course of dispute settlement, which prevent further consideration of the dispute, may be appealed against in conformity mutatis mutandis with the provisions of Section 2 of Chapter XVI of the Code of Civil Procedure to Vilnius Regional Court within seven days from the delivery of such decision to the interested undertaking or person. The ruling of Vilnius Regional Court concerning a decision of the Communications Regulatory Authority shall not be subject to appeal. 18. Parties to the dispute, within 14 days after the decision of the Communications Regulatory Authority, which resolves the dispute as to the substance of the matter or by which dispute settlement is terminated, shall have the right to apply directly to Vilnius Regional Court and ask them to consider the dispute as to the substance of the matter. In such case, the parties' procedural position does not change. 19. A decision issued by the Communications Regulatory Authority (including procedural decisions taken in the course of consideration of the dispute) shall be a document to be executed. If the decision is not executed, it may be executed in a compulsory manner in accordance with the procedure established by the Code of Civil Procedure. The decision may be presented for execution not later than within ten years from the date of its adoption. 51