India’s significance within the International Solar Alliance remains central despite the US's withdrawal. File image/PTI
Opinion
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News1816-01-2026, 14:49

USA Exits International Solar Alliance: Treaty Law and India's Pivotal Role

  • The USA recently withdrew from the International Solar Alliance (ISA), highlighting the complexities of withdrawal under treaty law, particularly the Vienna Convention on the Law of Treaties (VCLT).
  • Article 54 of the VCLT allows withdrawal if specified in the treaty or with consent; Article 56 addresses treaties silent on withdrawal, implying a right based on parties' intent and treaty nature.
  • The ISA's constitutive documents lack an explicit withdrawal mechanism, but the US exit was based on general principles of treaty law, reflecting the voluntary nature of international organizations.
  • VCLT Article 70 ensures that withdrawal does not nullify prior obligations, meaning US financial and contractual commitments during its ISA membership remain binding.
  • India, a founding member and co-initiator with ISA headquarters in Gurugram, maintains a central leadership role in the organization, crucial for its continued objectives despite the US departure.

Why It Matters: USA's ISA withdrawal highlights treaty law flexibility, while India's leadership ensures the alliance's continued global impact.

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