3.Where a watercourse State considers that adjustment or application of the provision@ of! the prasont artiales is required booauee of the characteristics and uses of a particular international watercourse (system], wsteraourse States shall consult with a view to negotiating in good faith for the purpose of concluc9ing a [watercourse) [system] agreement or agreements. 1. Every wetercourso S!-.ate is entitled to participate in the negotiation of an8 to become a party to any [wetercourse] [system] agreement thcat applies to the entire internetional watercourse [system], a8 well 88 to purticipete in any relevant consultations. - 138 - L2. A watercourse State whose use of an international watercourse [system] may be affeated to an appreciable extent by the !mplemeatation of a propoeed [watercourse] [system] agreement that applies only to a part of the wateraourse [system] or to a partiaular project, programme or use ie entit.led to participate in consultations on, and in the negotiations of, euch an agrelementp to the extent that its uac is thereby affscted, and to become a party thereto. PART II QENERAL PRINCIPLES -le 1. Watercourse States shall in their respective territories utilinre an international watercourse [sjrstem] in an equitable and reasonable manner . In particular, an international watercourse [system] shall be usea and developed by watercourse States with a view to attaining optimum utilisation thereof and benefits therefrom consistent with adequate protection of the international watercourse (eystem]. 2. Watercourse States shall participate in the use, development and protection of an international watercourse (eystem] in an equitable and reasonable manner. Such partiaipation includes both the right to utilise the international watercourse [eyetern] as provided in paragraph 1 of this article ancl the duty to co-operate fn the protection ant! development thereof, 88 proviatta in article , . . Fectorsrelevant.to-l* u-
**Analysis**
The text appears to be discussing the principles and obligations of countries regarding the management and utilization of international watercourses, including the need for cooperation, consultation, and equitable use. The focus is on the sustainable development and protection of these watercourses, which suggests a connection to the natural environment and the resources it provides.

**Category**
Natural resources and environment, Science and technology