The Karhujupukka project, in Finland, is within the boundary of the Finnish-Swedish Transboundary/Border River Commissions Agreement.
Finnish-Swedish Transboundary River Commission is an Agreement between Finland and Sweden Concerning Transboundary Rivers.
Excerpt:
"The Transboundary River Agreement creates the conditions for the implementation of the Water Framework Directive and Floods Directive of the European Union in the River Tornionjoki-River Muonionjoki river basin in the frontier region between Finland and Sweden.”
http://www.fsgk.se/Finnish-Swedish-Transboundary-Rivers-Agreement-2009.pdf
http://www.unece.org/fileadmin/DAM/...sh-Swedish_Transboundary_River_Commission.pdf
https://www.iucnael.org/en/documents/987-gooch-josefin/file
Kind regards,