text: increasing confidence which underpins such agreements, these particular agreements contain no specific prohibition on such interference. 11. Protection for satellites being used as national- technical means of verification is written into a number of other bilateral US-Soviet Treaties. The SALT I Interim Agreement of October 1972 sets out in Article V that: ,rEach Party undertakes not to interfere with the National Technical Means of Verification of the other party operating in accordance with paragraph 1 of this Article". Paragraph 1 in turn states that: "For the purposes of providing assurance of compliance with the provisions of this Interim Agreement, each party shall use National Technical Means of Verification ..." In addition to the above, the Treaty on the Limitation of Anti-Ballistic Missile Systems (also of October 1972), which was negotiated concurrently with the Interim Agreements, contains the same provisions in its Article XII, using identical language. The refusal of the Soviet Union to consider any form of on-site inspection and verification placed the burden of verification on CD/637 page 4 satellites from which such systems were not to be hidden. However, the Interim Agreement and the ABM Treaty had important additional lines to their verification provision. At Soviet insistence, the phrase "in a manner consistent with generally accepted principles of international law" was added to the ABM Treaty (Article XII.l) to resolve the Soviet refusal to accept the legitimacy of the legal right of the United States to carry out general surveillance tasks not connected with a particular treaty. 12. In the ABM Treaty, in Article V, paragraph I, each Party undertakes not to develop, test or deploy ABM systems or components which are inter alia space-based. It follows from Articles V and XII of the Treaty, read together, that development begins with those types of activities which can be detected 
analysis: The text appears to be discussing international agreements and treaties related to national security and verification, specifically in the context of satellite technology and anti-ballistic missile systems. It mentions the use of national technical means of verification, satellite surveillance, and the limitations on the development of certain technologies. Based on this content, it seems likely that the text is related to a category that encompasses international agreements, national security, and technology.