development. (5) The supplementary individually assigned scarce resource - radio spectrum, shall be provided without conduct of a contest or tender. (6) If the conditions under Paragraph (4) are available, the Commission shall provide the supplementary individually assigned scarce resource applied for - radio spectrum, by modifying and supplementing the authorization of the applicant for use of an individually assigned scarce resource within forty-two days after the date of submission of the application. (7) If the conditions under Paragraph (4) are available, the Commission shall provide the supplementary individually assigned scarce resource applied for - numbers, by modifying and supplementing the authorization of the applicant for use of an individually assigned scarce resource within twenty-one days after the date of submission of the application. (8) Within fourteen days after receipt of the notification referred to in Paragraph (7), the applicant shall remit to the account of the Commission the fees due for use of the supplementary individually assigned scarce resource as provided in proportion to the time of use during the current year. Section IX Authorization, How Modified, Supplemented, Terminated, Withdrawn, Suspended or Transferred Article 114. (1) An undertaking which has been granted an authorization may, prior to the expiry of the period of validity of the said authorization, make a reasoned request for a reduction of the period of validity of the authorization. The Commission shall examine the reasonableness of the request and shall pronounce by decision within one month after receipt of any such request. (2) (Amended, SG No. 105/2011, effective 29.12.2011) An undertaking which has been granted an authorization may make a reasoned request for extension of the period of application of the authorization as granted within three months prior to the expiry of the period of validity of the authorization. The Commission shall examine the reasonableness of the request, taking account of: 1. the benefits to consumers; 2. the need to promote competition and the development of new technologies; 3. the regulatory policy for the scarce resource concerned. (3) (New, SG No. 105/2011, effective 29.12.2011) The Commission shall pronounce by decision within one month after receipt of any request referred to in Paragraph (2), and if the request is granted, the Commission shall enter the new period of validity in the authorization. (4) (Renumbered from Paragraph (3), SG No. 105/2011, effective 29.12.2011) If, within the time-limit referred to in Paragraph (2), the undertaking which has been granted an authorization fails to request an extension of the validity of the authorization, the individually assigned scarce resource provided shall be presumed available upon the expiry of the period of validity of the authorization. (5) (Renumbered from Paragraph (4), SG No. 105/2011, effective 29.12.2011) The period of validity of an authorization for use of an individually assigned scarce resource - a radio spectrum, for implementation of electronic communications over existing and/or new electronic communications networks for analogue terrestrial broadcasting shall be extended after extension of the period of validity of the licence within the meaning given by the Radio and Television Act for the same period of time. Article 115. (1) An authorization may be modified and supplemented by reasoned decision of the Commission by reason of: 1. force majeure; 2. reasons related to national security; 3. changes in the domestic legislation and decisions of international organizations in force for the