with their national laws, take action to introduce and maintain in being the Specifications and Practices set out in Appendix A* to this Resolution and, when greater security is necessary, such of the additional Specifications and Practices set forth in Appendix B*, together with any other measures deemed advisable by the responsible authority as may be appropriate to the threat and to the conditions prevailing at the time; 2.** DIRECTS the Secretary General to update and amend at appropriate intervals the Security Manual designed to assist Contracting States in implementing the Specifications and Practices set out in the Appendices* to this Resolution. Application, upon request, of the Specifications and Procedures set forth in Appendix B to Resolution Al7-10 THE ASSEMBLY RESOLVES that, notwithstanding the fact that the responsible authorities may not be applying the Specifications and Practices set forth in Appendix B to Resolution Al7-10 at a particular airport, they should, however, apply such Specifications and Practices for a given flight to the extent appropriate in the circumstances, whenever specially requested to do so by the competent authority of another State. * The text of these Appendices appears in Doc 8895 (Resolutions of the 17th Session (Extraordinary) of the Assembly), pp. 35 to 42. ** This is Clause 2 of Al7-10 as modified by the 21st Session of the Assembly (see Doc 9113, A21-EX, p. 34). / ... A/40/445 English Page 28 A22-17: Technical measures for safeguarding international civil air transport against acts of unlawful interference WHEREAS acts of unlawful interference continue to have a serious adverse effect on the safety, regularity and efficiency of international air transport; WHEREAS the safety of the peoples of the world who benefit from international air transport requires continued vigilance and development and implementation of positive safeguarding action by the Organization and its Contracting States; 
**Analysis**
This text appears to be related to the regulation of international air transport, specifically focusing on measures to ensure safety and security. The language used is formal and official, suggesting a document from an international organization or a government agency. The text does not mention economic development, natural resources, or environmental issues, but rather emphasizes the importance of safety and security in air transport.

**Category**
Transport and communication