(3) The costs of relocation and protection shall be borne by the investor in the construction of utilities and other structures, facilities and installations, unless the investor in the construction of the utilities and other structures, facilities and installations and the owner of the network referred to in the first paragraph of this Article requiring relocation and protection stipulate otherwise by agreement. (4) An investor in the planned construction of utilities and other structures, facilities and installations shall not be liable for any damage as stated in the first paragraph of this Article, nor shall it bear the costs of relocation or protection, if the network and associated infrastructure referred to in the first paragraph of this Article are not entered in the register referred to in the first paragraph of Article 14 of this Act, unless the owner of the network referred to in the first paragraph of this Article can prove that the investor was aware of the existence of the network and a proposal for entry in the register had already been submitted. Article 14 (entry in the register) (1) The owner of a communications network and associated infrastructure referred to in the second paragraph of Article 9 of this Act must supply information on the types and location of the networks, and of the facilities as far as they form part of the associated infrastructure, directly to the body responsible for surveying and mapping, for the purpose of in the register of infrastructural networks and facilities, in accordance with the regulation governing entry in this register. Every amendment to this information shall be reported to the competent body within three months of its occurrence. (2) The owner of a public communications network and associated infrastructure must, in addition to the information referred to in the preceding paragraph, supply information on the existing state of affairs and the capacity of the network termination point directly to the body responsible for surveying and mapping, for the purpose of entry in the register referred to in the preceding paragraph, in accordance with the regulation referred to in the preceding paragraph. Every amendment to this information shall be reported to the competent body within three months of its occurrence. The information contained in the record of the existing state of affairs and the capacity of the network termination point shall not be public. In addition to the body responsible for surveying and mapping, the Agency shall have access to all the information entered pursuant to this paragraph for requirements relating to implementation of this Act, as shall the bodies responsible for the implementation of Article 11 of this Act. The Agency shall, by means of a general act, prescribe in detail the information to be entered and the method of collection of the information, determine the categories of other users by method of access to this information in order to provide adequate protection of any business secrets of owners, and regulate other matters arising from implementation of this provision. (3) The Agency may, for requirements relating to implementation of this Act, require persons liable under the first paragraph of this Article to supply information on the availability of the networks and facilities referred to in the first paragraph of this Article, on which it shall keep its own records, and allow interested parties to inspect this information in relation to procedures it is conducting. Article 15 (supervision) The Agency shall oversee the implementation of the provisions of this Chapter and of the regulations and acts issued pursuant thereto, and cooperate with the inspectorate responsible