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SOUTHERN AFRICAN DEVELOPMENT COMMUNITY
(c)
(ii)
Watercourse States shall take steps to harmonise their policies and
legislation in this connection.
(iii)
State Parties shall, at the request of any one or more of them, consult with a
view to arriving at mutually agreeable measures and methods to prevent,
reduce and control pollution of a shared watercourse, such as:
aa)
setting joint water quality objectives and criteria;
bb)
establishing techniques and practices to address pollution from point
and non-point sources;
cc)
establishing lists of substances the introduction of which, into the
waters of a shared watercourse, is to be prohibited, limited,
investigated or monitored.
Introduction of alien or new species
State Parties shall take all measures necessary to prevent the introduction of
species, alien or new, into a shared watercourse which may have effects
detrimental to the ecosystems of the watercourse resulting in significant harm to
other Watercourse States.
(d)
Protection and preservation of the aquatic environment
State Parties shall individually and, where appropriate, in cooperation with other
States, take all measures with respect to a shared watercourse that are necessary
to protect and preserve the aquatic environment, including estuaries, taking into
account generally accepted international rules and standards.
3.
Management of Shared Watercourses
(a)
Management
Watercourse States shall, at the request of any of them, enter into consultations
concerning the management of a shared watercourse, which may include the
establishment of a joint management mechanism.
(b)
Regulation
(i)
Watercourse States shall co-operate, where appropriate, to respond to needs
or opportunities for regulation of the flow of the waters of a shared
watercourse.
(ii)
Unless otherwise agreed, Watercourse States shall participate on an
equitable and reasonable basis in the construction and maintenance or
defrayal of the costs of such regulation works as they may have agreed to
undertake.
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Revised Protocol on Shared Watercourses