to the extent that the uaea of the wators of tho ayetsm have an affect on one another, to that extent the eystem is international, but only to that ertentt accordingly, there is not an obeoluta, but u relative, international character of the wetoroourf.ie. ” 12.w The Commission agreed at its thirty-ninth session to leave aside for the t.ime being the question of article 1 (Use of terms;) and that of the use of the term “eystem” and to contixiue its work on the basin of the provisional working hypothesis accepted by the Commission at it@ thirty-Rocond (1980) 8eu8i0nr uee ipip. Thus, the word “system” appeara in syuaro brackets throughout the text. 137u- 2. The use of international wateroouroe[s) [systema] for navigation is not within the scope of the present articles except in 80 far aa other uses affect navigation or are affeateti by navigation. For the purposes of the present artiales, a watercouree State is a State in whose territory part al! an international wsteraouree [syetam] is situated. 1. Watercourse States may enter into one or more agreements whiah apply and adjust the provieions of the present articles to the charsoLeristias and use8 of a particular international wateroourse [eystem] or part thereof. Such agreements shall, for the purposes of the present srticles, be called [watercourse] [system] agreements. 2. Where a [watercourse] [system] agreement is concluded between two or mot0 watercourse Statee, it shall &fine the waters to which it applies. Buch an egreement mey be entered into with respect to sn entire international watercourse [eystem] or with respect to any part thereof or , a Farticular project, programme or use, provic¶ed that the agreement t¶oos not adversely effect, to an appreciable extent, the use by one or more other watercourse Statee of the water6 of the international watercourse [syatem].
**Analysis**
This text appears to be related to the management and regulation of international water resources, particularly regarding navigation and agreements between countries. It discusses the concept of "watercourse States" and the possibility of entering into agreements to adjust the provisions of the present articles to the characteristics and uses of a particular international watercourse. This suggests that the category will be related to the management of natural resources, specifically water resources, and may also involve international relations and cooperation.

**Category**
Natural resources and environment, International trade