The National Telecommunications Commission (NTC) shall promulgate within ninety (90) days from the effectivity of this Act the necessary rules and regulations for the implementation of this provision which shall include, among others, the installation of filtering software that will block access to or transmission of any form of the child pornography. Section 10. Responsibility of Mall Owners/Operators and Owners or Lessors of Other Business Establishments. - All mall owners/operators and owners or lessors of other business establishments shall notify the PNP or the NBI within seven (7) days from obtaining facts and circumstances that child pornography is being committed in their premises. Provided, That public display of any form of child pornography within their premises is a conclusive presumption of the knowledge of the mall owners/operators and owners or lessors of other business establishments of the violation of this Act: Provided, further, That a disputable presumption of knowledge by mall owners/operators and owners or lessors of other business establishments should know or reasonably know that a violation of this Act is being committed in their premises. Photo developers, information technology professionals, credit card companies and banks and any person who has direct knowledge of any form of child pornography activities shall have the duty to report any suspected child pornography materials or transactions to the proper authorities within seven (7) days from discovery thereof. Any willful and intentional violation of this provision shall be subject to the penalty provided under Section 15(l) of this Act. Section 11. Duties of an Internet Content Host. - An internet content host shall: (a) Not host any form of child pornography on its internet address; (b) Within seven (7) days, report the presence of any form of child pornography, as well as the particulars of the person maintaining, hosting, distributing or in any manner contributing to such internet address, to the proper authorities; and (c) Preserve such evidence for purposes of investigation and prosecution by relevant authorities. An internet content host shall, upon the request of proper authorities, furnish the particulars of users who gained or attempted to gain access to an internet address that contains any form of child pornography. An internet content host who shall knowingly, willfully and intentionally violate this provision shall be subject to the penalty provided under Section 15(j) of this Act: Provided, That the failure of the internet content host to remove any form of child pornography within forty-eight (48) hours from receiving the notice that any form of child pornography is hitting its server shall be conclusive evidence of willful and intentional violation thereof. Section 12. Authority to Regulate Internet Café or Kiosk. - The local government unit (LGU) of the city or municipality where an internet café or kiosk is located shall have the authority to monitor and regulate the establishment and operation of the same or similar establishments in order to prevent violation of the provisions of this Act. Section 13. Confidentiality. - The right to privacy of the child shall be ensured at any stage of the investigation, prosecution and trial of an offense under this Act. Towards this end, the following rules shall be observed: