Article 21 The term of a License shall be stated therein. Upon request by the Licensee, a License may be renewed by the Board or the General Secretariat on the same or new conditions, subject to the applicable License terms, regulations and decisions issued by the Supreme Council in this regard.   Article 22 The Board shall determine the License fees and any other fees, remuneration or charges and the General Secretariat shall issue from time to time all necessary regulations, decisions and orders in this regard.   Article 23 The regulations, decisions and orders issued in accordance with the preceding Article shall contain the following:   1.      The entity to which the fees and charges are to be paid. 2.      The percentage or proportion of the revenues of Licensees on which fees and charges may be based. 3.      Fees and charges payable under the Law and this By-Law as set by the Board in addition to any other fees or charges that must be paid by service providers in connection with their operations or commercial activities. 4.      The total fees applied to each Licensee and to the sector as a whole pursuant to the Law, and the impact on Licensees and end users in the light of the objectives stated in paragraphs 1, 2 and 3 of Article 2 of the Law.     Chapter Three Radio Spectrum Management Article 24 In relation to radio spectrum management, the General Secretariat has to :