required for the solution of a certain problem. However, In order to give the programme the strength of the plan and Its directive character It Is necessary that the programme components are Included In the plan thus becoming Its targets. In this sense sclentlflc-technologclal programmes become the plan Instrument. This shows that scientific-technological programmes are elaborated and used when there Is a significant problem requiring a special Instrument for Its all-round solution. 295 2Q-1 Programmes for the most Important scientific and technological problems are elaborated by Individual problems of the national economic significance which are to be solved. This refers to the problems of creating entirely new types of technology Including their practical realization, as well as of developing R&D activities In the most perspective areas of S&T to form a "stock" for the coming period. The list of programmes whose major targets are to be Included In the state economic and social development plan Is determined by the USSR State Committee for Science and Technology, the USSR State Planning Committee, the USSR Committee for Construction and the USSR Academy of Sciences with the participation of the USSR ministries. and departments and the Councils of Ministers of union republ lcs at the stage of elaboration of the Principal guldel lnes of economic and social development of the country. This list as well as the order and terms for the elaboration of programmes should be approved not later than 1.5 year before the next five-year plan In turn. The 1 1st comprises those programmes whose Implementation produces a determining -effect on the solution of the national economy tasks which, as a rule, have lnterbranch and multlprofl le character and new approach to technological, organizational and other decisions. 0 10 co ~ USE OF THE PROGRAMME-TARGET METHOD IN SOLVING SCIENTIFIC AND TECHNOLOGICAL PROBLEMS I NTROOUCTI ON 
**Analysis**
The text appears to be discussing the planning and development of scientific and technological programs in the context of national economic significance. It mentions the creation of new technologies, R&D activities, and the solution of important scientific and technological problems. This suggests that the category should be related to economic development and the utilization of scientific and technological resources.

**Category**
Science and technology, Economic development