8 1° in order to protect the national integrity and/or national security 2° for reasons of limitations on the frequency spectrum 3° if the Regulatory Board reasonably believes that competition in the telecommunications sector can be adversely affected 4° if the applicant has substantially failed to meet his obligations. The Regulatory Board may delay the grant of a license to natural persons and organizations where there are limitations on available numbers. The Regulatory Board takes all appropriate actions that are required in the shortest possible time to alter the national numbering plan, such that further licenses may be granted. The applicant must be given written reasons about refusals and delays in the granting of license as soon as the Regulatory Board has made its decision. Article 9 The Regulatory Board has the power to make alterations and additions to telecommunications licenses for the reasons set out in paragraph (2) of Article 22 of this law. Every license should specify that the Regulatory Board has such right. Amendments and additions should reflect in an objective and non-discriminatory manner: 1° the provisions of any new telecommunications laws which are relevant to the license; 2° any regulatory changes which are intended to ensure equal opportunities and effective competition in telecommunications markets in both rural and urban areas; 3° changes necessary to respond to market circumstances; 4° changes caused by technological developments. Through instructions of the Minister, the Regulatory Board publishes in the Official Gazette, its intention to make modifications to licenses, and the class of licenses which are affected. In the case of modification to any individual licenses, a modification notice is also be sent to the business address of the license holder. The notice seeks written views from any interested person or organization and the time limits for submission of those views. All views which are received are taken into account by the Regulatory Board before modifications are introduced. All licenses which are affected by amendments and additions are modified by written notice issued by the Regulatory Board and unless otherwise provided by law, take effect three months from the date of the written notice. If any licensee is aggrieved by the decision of the Regulatory Board, he/she may refer the matter to the court . If the court annuls the decision of the Regulatory Board, the decision will apply to all affected licenses.